Question

Erin solved an equation as shown.

x + 2(x - 1) = 34
Step 1
Step 2
Step 3
Step 4
x + 2x 2 = 34
3x - 2 = 34
3x 36
4 x = 12
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Which property did Erin use for Step 1?

Answer 1

he used distribution method.

for step 1.as he distribute

2(x-1)=2x-2