3x=4(x-20)

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


Simplifying
3x = 4(x + -20)

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

Solving
3x = -80 + 4x

Solving for variable 'x'.

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

Add '-4x' to each side of the equation.
3x + -4x = -80 + 4x + -4x

Combine like terms: 3x + -4x = -1x
-1x = -80 + 4x + -4x

Combine like terms: 4x + -4x = 0
-1x = -80 + 0
-1x = -80

Divide each side by '-1'.
x = 80

Simplifying
x = 80

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