...required remainder is a + b. That is, a — (—ti) = a + b. 38. From §§36 and 37, we have the following rule: To subtract one number from another, change the sign of the subtrahend, and add the result to the minuend. SUBTRACTION OF MONOMIALS. 39. 1. Subtract 5 a from 2 a. It is convenient...

...mean the same thing. Consequently algebraic subtraction may be regarded as a special case of addition. To subtract one number from another, change the sign of the subtrahend and add the result to the minuend. Thus, to subtract 30a change to 30a and add. — 10 a 10q The pupil...

...mean the same thing. Consequently algebraic subtraction may be regarded as a special case of addition. To subtract one number from another, change the sign of the subtrahend and add the result to the minuend. Thus, to subtract 30a change to 30a and add. -10 а 10 a The pupil...

...proceeded as if adding the subtrahend to the minuend. 42. Similarly, from § 41 this rule follows : To subtract one number from another, change the sign of the subtrahend and proceed as in addition. (The sign of the subtrahend must be changed mentally.') EXERCISE 11 Subtract...

...proceeded as if adding the subtrahend to the minuend. 42. Similarly, from § 41 this rule follows : To subtract one number from another, change the sign of the subtrahend and proceed as in addition. (The sign of the subtrahend must be changed mentally.') EXERCISE 11 Subtract...

...from + to — , or from — to -f. Notice that the correct result is then obtained by adding. Hence, Rule. — To subtract one number from another, change the sign of the subtrahend and add it to the minuend. HISTORICAL NOTE. — The symbol, —, like the symbol, +, first appeared...

...from + to — , or from — to +. Notice that the correct result is then obtained by adding. Hence, Rule. — To subtract one number from another, change the sign of the subtrahend and add it to the minuend. The rule for subtraction of signed numbers is suggested by the following...

...add— 3 " mean the same thing. Likewise " to subtract — 5а" and " to add 5 а " mean the same thing. To subtract one number from another, change the sign of the subtrahend and add the result to the minuend. Thus, to subtract _ a change to * and add. The pupil should learn...

...672 = ? u* ~ *JtJ i iu*f -|- j. < \jtfi — ; 7. — 378 — 122 + 17 + 500 — 18 = ? 8. + 1378 — 1659 — 2730 + 4856 = ? 11. Subtraction. When we...subtractions, checking in each case: (1) (2) (3) (4) (5) (6) (7) From —10 —2 — 8 +6 —9 —12 —27 Take +1 — 7 +12—2 — 3 — 12 +53 12. Multiplication....

...man Add the following: How do the results of the corresponding problems in the two groups compare? 59 RULE: To subtract one number from another, change the sign of the subtrahend mentally and add. Exercise 35 Subtract: 14. -5 (a+y) 16. 14.92 (ma-n2)149.2 (m2-n2) 17. 3^x2+5fy3- z 2|x2-2|y3-2z 18....