...changing -2 to +2 and adding. -6 +2 -8 -6 -2 -8 -6 -2 -4 -6 +2 -4 These four results suggest the Rule. — To subtract one number from another, change the sign of the subtrahend and add the resulting number to the minuend. Check the result by adding the subtrahend and remainder. The...

...obtained by adding the subtrahend, with its sign changed, to the minuend ? See Exs. 1 to 8. RULE : To subtract one number from another, change the sign of the subtrahend, and proceed as in algebraic addition. 10. Apply the rule for subtraction to the following: + 7 -2 6 9 -9 -2 12 -24 -...

...whenever you wished to subtract two numbers. The following rule will enable you to work more rapidly: To subtract one number from another, change the sign of the subtrahend and then follow the rules for adding numbers. To see that this rule agrees with your experiences try it...

...number + 9 a, which when added to — 2 a will give + 7 a. EXAMPLES These examples illustrate the RULE. To subtract one number from another, change the sign of the subtrahend and add. EXERCISES Subtract the lower number from the upper : 1. From + 10 a + 5a + 5a 3. From take Result...

...examples can be changed immediately into addition examples by changing the sign of the subtrahend. Rule. To subtract one number from another, change the sign of the subtrahend and add. It is best to get into the habit at once of making the change in sign mentally, without putting...

...sign of the number having the larger absolute value. Thus, (+2) + (- 9) = - 7; (+ 16)+(- 5) = + 11. To subtract one number from another, change the sign of the subtrahend and add the result to the minuend. Thus, (- 6)-(+4) = -6 +(-4) = - 10; The sign of the product or the quotient...

...can convert our adding element into one that also subtracts by applying a well-known rule of algebra: To subtract one number from another, change the sign of the subtrahend, and add* Thus, if we possessed some sign-inverting device, we could also use our adding element for subtraction....