3x-7(2x+5)=31

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Solution for 3x-7(2x+5)=31 equation:


Simplifying
3x + -7(2x + 5) = 31

Reorder the terms:
3x + -7(5 + 2x) = 31
3x + (5 * -7 + 2x * -7) = 31
3x + (-35 + -14x) = 31

Reorder the terms:
-35 + 3x + -14x = 31

Combine like terms: 3x + -14x = -11x
-35 + -11x = 31

Solving
-35 + -11x = 31

Solving for variable 'x'.

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

Add '35' to each side of the equation.
-35 + 35 + -11x = 31 + 35

Combine like terms: -35 + 35 = 0
0 + -11x = 31 + 35
-11x = 31 + 35

Combine like terms: 31 + 35 = 66
-11x = 66

Divide each side by '-11'.
x = -6

Simplifying
x = -6

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