3x-4+4x=66

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Solution for 3x-4+4x=66 equation: 


Simplifying
3x + -4 + 4x = 66

Reorder the terms:
-4 + 3x + 4x = 66

Combine like terms: 3x + 4x = 7x
-4 + 7x = 66

Solving
-4 + 7x = 66

Solving for variable 'x'.

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

Add '4' to each side of the equation.
-4 + 4 + 7x = 66 + 4

Combine like terms: -4 + 4 = 0
0 + 7x = 66 + 4
7x = 66 + 4

Combine like terms: 66 + 4 = 70
7x = 70

Divide each side by '7'.
x = 10

Simplifying
x = 10

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