4x-7(-x-13)=25

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Solution for 4x-7(-x-13)=25 equation:


Simplifying
4x + -7(-1x + -13) = 25

Reorder the terms:
4x + -7(-13 + -1x) = 25
4x + (-13 * -7 + -1x * -7) = 25
4x + (91 + 7x) = 25

Reorder the terms:
91 + 4x + 7x = 25

Combine like terms: 4x + 7x = 11x
91 + 11x = 25

Solving
91 + 11x = 25

Solving for variable 'x'.

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

Add '-91' to each side of the equation.
91 + -91 + 11x = 25 + -91

Combine like terms: 91 + -91 = 0
0 + 11x = 25 + -91
11x = 25 + -91

Combine like terms: 25 + -91 = -66
11x = -66

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

Simplifying
x = -6

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