2x+2(x-9)=70

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Solution for 2x+2(x-9)=70 equation:


Simplifying
2x + 2(x + -9) = 70

Reorder the terms:
2x + 2(-9 + x) = 70
2x + (-9 * 2 + x * 2) = 70
2x + (-18 + 2x) = 70

Reorder the terms:
-18 + 2x + 2x = 70

Combine like terms: 2x + 2x = 4x
-18 + 4x = 70

Solving
-18 + 4x = 70

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '18' to each side of the equation.
-18 + 18 + 4x = 70 + 18

Combine like terms: -18 + 18 = 0
0 + 4x = 70 + 18
4x = 70 + 18

Combine like terms: 70 + 18 = 88
4x = 88

Divide each side by '4'.
x = 22

Simplifying
x = 22

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