-7=x+3x-7

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


Simplifying
-7 = x + 3x + -7

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

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

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

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

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

Solving
0 = 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.
0 + -4x = 4x + -4x
Remove the zero:
-4x = 4x + -4x

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

Divide each side by '-4'.
x = 0

Simplifying
x = 0

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