3x+5(2x-10)=80

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Solution for 3x+5(2x-10)=80 equation:


Simplifying
3x + 5(2x + -10) = 80

Reorder the terms:
3x + 5(-10 + 2x) = 80
3x + (-10 * 5 + 2x * 5) = 80
3x + (-50 + 10x) = 80

Reorder the terms:
-50 + 3x + 10x = 80

Combine like terms: 3x + 10x = 13x
-50 + 13x = 80

Solving
-50 + 13x = 80

Solving for variable 'x'.

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

Add '50' to each side of the equation.
-50 + 50 + 13x = 80 + 50

Combine like terms: -50 + 50 = 0
0 + 13x = 80 + 50
13x = 80 + 50

Combine like terms: 80 + 50 = 130
13x = 130

Divide each side by '13'.
x = 10

Simplifying
x = 10

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