7x+4(x-2)=80

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Solution for 7x+4(x-2)=80 equation:


Simplifying
7x + 4(x + -2) = 80

Reorder the terms:
7x + 4(-2 + x) = 80
7x + (-2 * 4 + x * 4) = 80
7x + (-8 + 4x) = 80

Reorder the terms:
-8 + 7x + 4x = 80

Combine like terms: 7x + 4x = 11x
-8 + 11x = 80

Solving
-8 + 11x = 80

Solving for variable 'x'.

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

Add '8' to each side of the equation.
-8 + 8 + 11x = 80 + 8

Combine like terms: -8 + 8 = 0
0 + 11x = 80 + 8
11x = 80 + 8

Combine like terms: 80 + 8 = 88
11x = 88

Divide each side by '11'.
x = 8

Simplifying
x = 8

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