4x+18+3x=5(x+20)

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Solution for 4x+18+3x=5(x+20) equation:


Simplifying
4x + 18 + 3x = 5(x + 20)

Reorder the terms:
18 + 4x + 3x = 5(x + 20)

Combine like terms: 4x + 3x = 7x
18 + 7x = 5(x + 20)

Reorder the terms:
18 + 7x = 5(20 + x)
18 + 7x = (20 * 5 + x * 5)
18 + 7x = (100 + 5x)

Solving
18 + 7x = 100 + 5x

Solving for variable 'x'.

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

Add '-5x' to each side of the equation.
18 + 7x + -5x = 100 + 5x + -5x

Combine like terms: 7x + -5x = 2x
18 + 2x = 100 + 5x + -5x

Combine like terms: 5x + -5x = 0
18 + 2x = 100 + 0
18 + 2x = 100

Add '-18' to each side of the equation.
18 + -18 + 2x = 100 + -18

Combine like terms: 18 + -18 = 0
0 + 2x = 100 + -18
2x = 100 + -18

Combine like terms: 100 + -18 = 82
2x = 82

Divide each side by '2'.
x = 41

Simplifying
x = 41

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