Question

4x-30=2×+10 ajudar
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Answer 1

$4x - 30 = 2x + 10 \\ 4x - 2x = 10 + 30 \\ 2x = 40 \\ x = \frac{40}{2} \\ x = 20$

Answer 2

4x-30=2x+10

4x-2x=10+30

2x=40

X=40/2

X=20