7x+15+3x=30

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Solution for 7x+15+3x=30 equation: 


Simplifying
7x + 15 + 3x = 30

Reorder the terms:
15 + 7x + 3x = 30

Combine like terms: 7x + 3x = 10x
15 + 10x = 30

Solving
15 + 10x = 30

Solving for variable 'x'.

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

Add '-15' to each side of the equation.
15 + -15 + 10x = 30 + -15

Combine like terms: 15 + -15 = 0
0 + 10x = 30 + -15
10x = 30 + -15

Combine like terms: 30 + -15 = 15
10x = 15

Divide each side by '10'.
x = 1.5

Simplifying
x = 1.5

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