5x+3x+9=2x+30

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Solution for 5x+3x+9=2x+30 equation:


Simplifying
5x + 3x + 9 = 2x + 30

Reorder the terms:
9 + 5x + 3x = 2x + 30

Combine like terms: 5x + 3x = 8x
9 + 8x = 2x + 30

Reorder the terms:
9 + 8x = 30 + 2x

Solving
9 + 8x = 30 + 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.
9 + 8x + -2x = 30 + 2x + -2x

Combine like terms: 8x + -2x = 6x
9 + 6x = 30 + 2x + -2x

Combine like terms: 2x + -2x = 0
9 + 6x = 30 + 0
9 + 6x = 30

Add '-9' to each side of the equation.
9 + -9 + 6x = 30 + -9

Combine like terms: 9 + -9 = 0
0 + 6x = 30 + -9
6x = 30 + -9

Combine like terms: 30 + -9 = 21
6x = 21

Divide each side by '6'.
x = 3.5

Simplifying
x = 3.5

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