15+2x+7=30

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Solution for 15+2x+7=30 equation: 


Simplifying
15 + 2x + 7 = 30

Reorder the terms:
15 + 7 + 2x = 30

Combine like terms: 15 + 7 = 22
22 + 2x = 30

Solving
22 + 2x = 30

Solving for variable 'x'.

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

Add '-22' to each side of the equation.
22 + -22 + 2x = 30 + -22

Combine like terms: 22 + -22 = 0
0 + 2x = 30 + -22
2x = 30 + -22

Combine like terms: 30 + -22 = 8
2x = 8

Divide each side by '2'.
x = 4

Simplifying
x = 4

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