2(4x+10)+-(x+7)=71

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Solution for 2(4x+10)+-(x+7)=71 equation:


Simplifying
2(4x + 10) + -1(x + 7) = 71

Reorder the terms:
2(10 + 4x) + -1(x + 7) = 71
(10 * 2 + 4x * 2) + -1(x + 7) = 71
(20 + 8x) + -1(x + 7) = 71

Reorder the terms:
20 + 8x + -1(7 + x) = 71
20 + 8x + (7 * -1 + x * -1) = 71
20 + 8x + (-7 + -1x) = 71

Reorder the terms:
20 + -7 + 8x + -1x = 71

Combine like terms: 20 + -7 = 13
13 + 8x + -1x = 71

Combine like terms: 8x + -1x = 7x
13 + 7x = 71

Solving
13 + 7x = 71

Solving for variable 'x'.

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

Add '-13' to each side of the equation.
13 + -13 + 7x = 71 + -13

Combine like terms: 13 + -13 = 0
0 + 7x = 71 + -13
7x = 71 + -13

Combine like terms: 71 + -13 = 58
7x = 58

Divide each side by '7'.
x = 8.285714286

Simplifying
x = 8.285714286

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