2x-4(3x+10)=80

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Solution for 2x-4(3x+10)=80 equation:


Simplifying
2x + -4(3x + 10) = 80

Reorder the terms:
2x + -4(10 + 3x) = 80
2x + (10 * -4 + 3x * -4) = 80
2x + (-40 + -12x) = 80

Reorder the terms:
-40 + 2x + -12x = 80

Combine like terms: 2x + -12x = -10x
-40 + -10x = 80

Solving
-40 + -10x = 80

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 + -10x = 80 + 40

Combine like terms: -40 + 40 = 0
0 + -10x = 80 + 40
-10x = 80 + 40

Combine like terms: 80 + 40 = 120
-10x = 120

Divide each side by '-10'.
x = -12

Simplifying
x = -12

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