4x-2(5+7x)-9=31

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Solution for 4x-2(5+7x)-9=31 equation:


Simplifying
4x + -2(5 + 7x) + -9 = 31
4x + (5 * -2 + 7x * -2) + -9 = 31
4x + (-10 + -14x) + -9 = 31

Reorder the terms:
-10 + -9 + 4x + -14x = 31

Combine like terms: -10 + -9 = -19
-19 + 4x + -14x = 31

Combine like terms: 4x + -14x = -10x
-19 + -10x = 31

Solving
-19 + -10x = 31

Solving for variable 'x'.

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

Add '19' to each side of the equation.
-19 + 19 + -10x = 31 + 19

Combine like terms: -19 + 19 = 0
0 + -10x = 31 + 19
-10x = 31 + 19

Combine like terms: 31 + 19 = 50
-10x = 50

Divide each side by '-10'.
x = -5

Simplifying
x = -5

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