20=3x-5*(-4)

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Solution for 20=3x-5*(-4) equation:


Simplifying
20 = 3x + -5(-4)

Multiply -5 * -4
20 = 3x + 20

Reorder the terms:
20 = 20 + 3x

Add '-20' to each side of the equation.
20 + -20 = 20 + -20 + 3x

Combine like terms: 20 + -20 = 0
0 = 20 + -20 + 3x

Combine like terms: 20 + -20 = 0
0 = 0 + 3x
0 = 3x

Solving
0 = 3x

Solving for variable 'x'.

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

Add '-3x' to each side of the equation.
0 + -3x = 3x + -3x
Remove the zero:
-3x = 3x + -3x

Combine like terms: 3x + -3x = 0
-3x = 0

Divide each side by '-3'.
x = 0

Simplifying
x = 0

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