7-7=4x+3x

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


Simplifying
7 + -7 = 4x + 3x

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

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

Solving
0 = 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.
0 + -7x = 7x + -7x
Remove the zero:
-7x = 7x + -7x

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

Divide each side by '-7'.
x = 0

Simplifying
x = 0

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