x+20+3x=x-25+7

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


Simplifying
x + 20 + 3x = x + -25 + 7

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

Combine like terms: x + 3x = 4x
20 + 4x = x + -25 + 7

Reorder the terms:
20 + 4x = -25 + 7 + x

Combine like terms: -25 + 7 = -18
20 + 4x = -18 + x

Solving
20 + 4x = -18 + x

Solving for variable 'x'.

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

Add '-1x' to each side of the equation.
20 + 4x + -1x = -18 + x + -1x

Combine like terms: 4x + -1x = 3x
20 + 3x = -18 + x + -1x

Combine like terms: x + -1x = 0
20 + 3x = -18 + 0
20 + 3x = -18

Add '-20' to each side of the equation.
20 + -20 + 3x = -18 + -20

Combine like terms: 20 + -20 = 0
0 + 3x = -18 + -20
3x = -18 + -20

Combine like terms: -18 + -20 = -38
3x = -38

Divide each side by '3'.
x = -12.66666667

Simplifying
x = -12.66666667

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