7x+5(x-8)=20

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Solution for 7x+5(x-8)=20 equation:


Simplifying
7x + 5(x + -8) = 20

Reorder the terms:
7x + 5(-8 + x) = 20
7x + (-8 * 5 + x * 5) = 20
7x + (-40 + 5x) = 20

Reorder the terms:
-40 + 7x + 5x = 20

Combine like terms: 7x + 5x = 12x
-40 + 12x = 20

Solving
-40 + 12x = 20

Solving for variable 'x'.

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

Add '40' to each side of the equation.
-40 + 40 + 12x = 20 + 40

Combine like terms: -40 + 40 = 0
0 + 12x = 20 + 40
12x = 20 + 40

Combine like terms: 20 + 40 = 60
12x = 60

Divide each side by '12'.
x = 5

Simplifying
x = 5

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