- 10x - 11 = -12x + 21

2 answers:

6 0

-10x-11=-12x+21
Move variable to the left side and change its sign
Move constant to the right side and change its sign
-10x+12x=21+11
2x=21+11
2x=32
Divide both sides by 2
X=16

Helen [10]3 years ago

4 0

-10x=-12x + 21 + 11
-10x= -12 + 32
-10x + 12x = 32
2x = 32
X = 32/2

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- 10x - 11 = -12x + 21​

- 10x - 11 = -12x + 21