4x-20=4(2x+5)

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Solution for 4x-20=4(2x+5) equation:


Simplifying
4x + -20 = 4(2x + 5)

Reorder the terms:
-20 + 4x = 4(2x + 5)

Reorder the terms:
-20 + 4x = 4(5 + 2x)
-20 + 4x = (5 * 4 + 2x * 4)
-20 + 4x = (20 + 8x)

Solving
-20 + 4x = 20 + 8x

Solving for variable 'x'.

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

Add '-8x' to each side of the equation.
-20 + 4x + -8x = 20 + 8x + -8x

Combine like terms: 4x + -8x = -4x
-20 + -4x = 20 + 8x + -8x

Combine like terms: 8x + -8x = 0
-20 + -4x = 20 + 0
-20 + -4x = 20

Add '20' to each side of the equation.
-20 + 20 + -4x = 20 + 20

Combine like terms: -20 + 20 = 0
0 + -4x = 20 + 20
-4x = 20 + 20

Combine like terms: 20 + 20 = 40
-4x = 40

Divide each side by '-4'.
x = -10

Simplifying
x = -10

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