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1) Example: X - (-7)= 5 *Simplify both negative signs (-) to make a positive (+) *

x + 7 = 5
-7 -7
X= -2
Check: (-2) +7 = 5
5 = 5
TRUE
2)
X - (- 4) = 12
1

User BrianK
by
5.0k points

1 Answer

11 votes

X - (- 4) = 12

X + 4 = 12

X = 12 - 4

X = 8

Check:

(8)+4=12

12 = 12

TRUE

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User Webjay
by
4.3k points