5x+15=2.5(3x+4)

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Solution for 5x+15=2.5(3x+4) equation:


Simplifying
5x + 15 = 2.5(3x + 4)

Reorder the terms:
15 + 5x = 2.5(3x + 4)

Reorder the terms:
15 + 5x = 2.5(4 + 3x)
15 + 5x = (4 * 2.5 + 3x * 2.5)
15 + 5x = (10 + 7.5x)

Solving
15 + 5x = 10 + 7.5x

Solving for variable 'x'.

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

Add '-7.5x' to each side of the equation.
15 + 5x + -7.5x = 10 + 7.5x + -7.5x

Combine like terms: 5x + -7.5x = -2.5x
15 + -2.5x = 10 + 7.5x + -7.5x

Combine like terms: 7.5x + -7.5x = 0.0
15 + -2.5x = 10 + 0.0
15 + -2.5x = 10

Add '-15' to each side of the equation.
15 + -15 + -2.5x = 10 + -15

Combine like terms: 15 + -15 = 0
0 + -2.5x = 10 + -15
-2.5x = 10 + -15

Combine like terms: 10 + -15 = -5
-2.5x = -5

Divide each side by '-2.5'.
x = 2

Simplifying
x = 2

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