=80-(4x(-5))+(-12)

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Solution for =80-(4x(-5))+(-12) equation:


Simplifying
0 = 80 + -1(4x(-5)) + (-12)

Reorder the terms for easier multiplication:
0 = 80 + -1(4 * -5x) + (-12)

Multiply 4 * -5
0 = 80 + -1(-20x) + (-12)

Remove parenthesis around (-20x)
0 = 80 + -1 * -20x + (-12)

Multiply -1 * -20
0 = 80 + 20x + (-12)
0 = 80 + 20x + -12

Reorder the terms:
0 = 80 + -12 + 20x

Combine like terms: 80 + -12 = 68
0 = 68 + 20x

Solving
0 = 68 + 20x

Solving for variable 'x'.

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

Add '-20x' to each side of the equation.
0 + -20x = 68 + 20x + -20x
Remove the zero:
-20x = 68 + 20x + -20x

Combine like terms: 20x + -20x = 0
-20x = 68 + 0
-20x = 68

Divide each side by '-20'.
x = -3.4

Simplifying
x = -3.4

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