Question

Solve: x/2 + 3/2 = 1

a. x = -2
b. x = -1
c. x = 1
d. x = 2

Answer 1

x+3=2
x=-1

so b

Answer 2

(x+3)/2 = 1
Multiply both sides by 2.
Now you have:
x+3 = 2
x = -1 by basic algebra.
So your answer is b.

Hope this helps. If it does, please choose good answer.
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