7x-4(3x+5)=80

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Solution for 7x-4(3x+5)=80 equation:


Simplifying
7x + -4(3x + 5) = 80

Reorder the terms:
7x + -4(5 + 3x) = 80
7x + (5 * -4 + 3x * -4) = 80
7x + (-20 + -12x) = 80

Reorder the terms:
-20 + 7x + -12x = 80

Combine like terms: 7x + -12x = -5x
-20 + -5x = 80

Solving
-20 + -5x = 80

Solving for variable 'x'.

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

Add '20' to each side of the equation.
-20 + 20 + -5x = 80 + 20

Combine like terms: -20 + 20 = 0
0 + -5x = 80 + 20
-5x = 80 + 20

Combine like terms: 80 + 20 = 100
-5x = 100

Divide each side by '-5'.
x = -20

Simplifying
x = -20

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