-3x-7=7+4x

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Solution for -3x-7=7+4x equation:


Simplifying
-3x + -7 = 7 + 4x

Reorder the terms:
-7 + -3x = 7 + 4x

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

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

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

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

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

Combine like terms: 7 + 7 = 14
-7x = 14

Divide each side by '-7'.
x = -2

Simplifying
x = -2

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