x-7=4x+20

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Solution for x-7=4x+20 equation:


Simplifying
x + -7 = 4x + 20

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

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

Solving
-7 + x = 20 + 4x

Solving for variable 'x'.

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

Add '-4x' to each side of the equation.
-7 + x + -4x = 20 + 4x + -4x

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

Combine like terms: 4x + -4x = 0
-7 + -3x = 20 + 0
-7 + -3x = 20

Add '7' to each side of the equation.
-7 + 7 + -3x = 20 + 7

Combine like terms: -7 + 7 = 0
0 + -3x = 20 + 7
-3x = 20 + 7

Combine like terms: 20 + 7 = 27
-3x = 27

Divide each side by '-3'.
x = -9

Simplifying
x = -9

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