4+x=7x-20

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


Simplifying
4 + x = 7x + -20

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

Solving
4 + x = -20 + 7x

Solving for variable 'x'.

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

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

Combine like terms: x + -7x = -6x
4 + -6x = -20 + 7x + -7x

Combine like terms: 7x + -7x = 0
4 + -6x = -20 + 0
4 + -6x = -20

Add '-4' to each side of the equation.
4 + -4 + -6x = -20 + -4

Combine like terms: 4 + -4 = 0
0 + -6x = -20 + -4
-6x = -20 + -4

Combine like terms: -20 + -4 = -24
-6x = -24

Divide each side by '-6'.
x = 4

Simplifying
x = 4

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