7.8=5x+15

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Solution for 7.8=5x+15 equation:


Simplifying
7.8 = 5x + 15

Reorder the terms:
7.8 = 15 + 5x

Solving
7.8 = 15 + 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.
7.8 + -5x = 15 + 5x + -5x

Combine like terms: 5x + -5x = 0
7.8 + -5x = 15 + 0
7.8 + -5x = 15

Add '-7.8' to each side of the equation.
7.8 + -7.8 + -5x = 15 + -7.8

Combine like terms: 7.8 + -7.8 = 0.0
0.0 + -5x = 15 + -7.8
-5x = 15 + -7.8

Combine like terms: 15 + -7.8 = 7.2
-5x = 7.2

Divide each side by '-5'.
x = -1.44

Simplifying
x = -1.44

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