20=-3x+7(-2x+25)

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Solution for 20=-3x+7(-2x+25) equation:


Simplifying
20 = -3x + 7(-2x + 25)

Reorder the terms:
20 = -3x + 7(25 + -2x)
20 = -3x + (25 * 7 + -2x * 7)
20 = -3x + (175 + -14x)

Reorder the terms:
20 = 175 + -3x + -14x

Combine like terms: -3x + -14x = -17x
20 = 175 + -17x

Solving
20 = 175 + -17x

Solving for variable 'x'.

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

Add '17x' to each side of the equation.
20 + 17x = 175 + -17x + 17x

Combine like terms: -17x + 17x = 0
20 + 17x = 175 + 0
20 + 17x = 175

Add '-20' to each side of the equation.
20 + -20 + 17x = 175 + -20

Combine like terms: 20 + -20 = 0
0 + 17x = 175 + -20
17x = 175 + -20

Combine like terms: 175 + -20 = 155
17x = 155

Divide each side by '17'.
x = 9.117647059

Simplifying
x = 9.117647059

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