7x-4+3x+4=90

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Solution for 7x-4+3x+4=90 equation: 


Simplifying
7x + -4 + 3x + 4 = 90

Reorder the terms:
-4 + 4 + 7x + 3x = 90

Combine like terms: -4 + 4 = 0
0 + 7x + 3x = 90
7x + 3x = 90

Combine like terms: 7x + 3x = 10x
10x = 90

Solving
10x = 90

Solving for variable 'x'.

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

Divide each side by '10'.
x = 9

Simplifying
x = 9

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