4x+15=2x+20

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Solution for 4x+15=2x+20 equation:


Simplifying
4x + 15 = 2x + 20

Reorder the terms:
15 + 4x = 2x + 20

Reorder the terms:
15 + 4x = 20 + 2x

Solving
15 + 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.
15 + 4x + -2x = 20 + 2x + -2x

Combine like terms: 4x + -2x = 2x
15 + 2x = 20 + 2x + -2x

Combine like terms: 2x + -2x = 0
15 + 2x = 20 + 0
15 + 2x = 20

Add '-15' to each side of the equation.
15 + -15 + 2x = 20 + -15

Combine like terms: 15 + -15 = 0
0 + 2x = 20 + -15
2x = 20 + -15

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

Divide each side by '2'.
x = 2.5

Simplifying
x = 2.5

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