2x+x-7=4x

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Solution for 2x+x-7=4x equation:


Simplifying
2x + x + -7 = 4x

Reorder the terms:
-7 + 2x + x = 4x

Combine like terms: 2x + x = 3x
-7 + 3x = 4x

Solving
-7 + 3x = 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 + 3x + -4x = 4x + -4x

Combine like terms: 3x + -4x = -1x
-7 + -1x = 4x + -4x

Combine like terms: 4x + -4x = 0
-7 + -1x = 0

Add '7' to each side of the equation.
-7 + 7 + -1x = 0 + 7

Combine like terms: -7 + 7 = 0
0 + -1x = 0 + 7
-1x = 0 + 7

Combine like terms: 0 + 7 = 7
-1x = 7

Divide each side by '-1'.
x = -7

Simplifying
x = -7

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