4x+15=5x+20

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Solution for 4x+15=5x+20 equation:


Simplifying
4x + 15 = 5x + 20

Reorder the terms:
15 + 4x = 5x + 20

Reorder the terms:
15 + 4x = 20 + 5x

Solving
15 + 4x = 20 + 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.
15 + 4x + -5x = 20 + 5x + -5x

Combine like terms: 4x + -5x = -1x
15 + -1x = 20 + 5x + -5x

Combine like terms: 5x + -5x = 0
15 + -1x = 20 + 0
15 + -1x = 20

Add '-15' to each side of the equation.
15 + -15 + -1x = 20 + -15

Combine like terms: 15 + -15 = 0
0 + -1x = 20 + -15
-1x = 20 + -15

Combine like terms: 20 + -15 = 5
-1x = 5

Divide each side by '-1'.
x = -5

Simplifying
x = -5

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