-3(x+4)-2(2x+8)=80

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Solution for -3(x+4)-2(2x+8)=80 equation:


Simplifying
-3(x + 4) + -2(2x + 8) = 80

Reorder the terms:
-3(4 + x) + -2(2x + 8) = 80
(4 * -3 + x * -3) + -2(2x + 8) = 80
(-12 + -3x) + -2(2x + 8) = 80

Reorder the terms:
-12 + -3x + -2(8 + 2x) = 80
-12 + -3x + (8 * -2 + 2x * -2) = 80
-12 + -3x + (-16 + -4x) = 80

Reorder the terms:
-12 + -16 + -3x + -4x = 80

Combine like terms: -12 + -16 = -28
-28 + -3x + -4x = 80

Combine like terms: -3x + -4x = -7x
-28 + -7x = 80

Solving
-28 + -7x = 80

Solving for variable 'x'.

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

Add '28' to each side of the equation.
-28 + 28 + -7x = 80 + 28

Combine like terms: -28 + 28 = 0
0 + -7x = 80 + 28
-7x = 80 + 28

Combine like terms: 80 + 28 = 108
-7x = 108

Divide each side by '-7'.
x = -15.42857143

Simplifying
x = -15.42857143

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