4x+5=x+x+20

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Solution for 4x+5=x+x+20 equation:


Simplifying
4x + 5 = x + x + 20

Reorder the terms:
5 + 4x = x + x + 20

Reorder the terms:
5 + 4x = 20 + x + x

Combine like terms: x + x = 2x
5 + 4x = 20 + 2x

Solving
5 + 4x = 20 + 2x

Solving for variable 'x'.

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

Add '-2x' to each side of the equation.
5 + 4x + -2x = 20 + 2x + -2x

Combine like terms: 4x + -2x = 2x
5 + 2x = 20 + 2x + -2x

Combine like terms: 2x + -2x = 0
5 + 2x = 20 + 0
5 + 2x = 20

Add '-5' to each side of the equation.
5 + -5 + 2x = 20 + -5

Combine like terms: 5 + -5 = 0
0 + 2x = 20 + -5
2x = 20 + -5

Combine like terms: 20 + -5 = 15
2x = 15

Divide each side by '2'.
x = 7.5

Simplifying
x = 7.5

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