25=-3x+7(-x+15)

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Solution for 25=-3x+7(-x+15) equation:


Simplifying
25 = -3x + 7(-1x + 15)

Reorder the terms:
25 = -3x + 7(15 + -1x)
25 = -3x + (15 * 7 + -1x * 7)
25 = -3x + (105 + -7x)

Reorder the terms:
25 = 105 + -3x + -7x

Combine like terms: -3x + -7x = -10x
25 = 105 + -10x

Solving
25 = 105 + -10x

Solving for variable 'x'.

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

Add '10x' to each side of the equation.
25 + 10x = 105 + -10x + 10x

Combine like terms: -10x + 10x = 0
25 + 10x = 105 + 0
25 + 10x = 105

Add '-25' to each side of the equation.
25 + -25 + 10x = 105 + -25

Combine like terms: 25 + -25 = 0
0 + 10x = 105 + -25
10x = 105 + -25

Combine like terms: 105 + -25 = 80
10x = 80

Divide each side by '10'.
x = 8

Simplifying
x = 8

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