3x-8+7x+4=66

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Solution for 3x-8+7x+4=66 equation:


Simplifying
3x + -8 + 7x + 4 = 66

Reorder the terms:
-8 + 4 + 3x + 7x = 66

Combine like terms: -8 + 4 = -4
-4 + 3x + 7x = 66

Combine like terms: 3x + 7x = 10x
-4 + 10x = 66

Solving
-4 + 10x = 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 + 10x = 66 + 4

Combine like terms: -4 + 4 = 0
0 + 10x = 66 + 4
10x = 66 + 4

Combine like terms: 66 + 4 = 70
10x = 70

Divide each side by '10'.
x = 7

Simplifying
x = 7

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