4x+9-2x+18=51

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Solution for 4x+9-2x+18=51 equation:


Simplifying
4x + 9 + -2x + 18 = 51

Reorder the terms:
9 + 18 + 4x + -2x = 51

Combine like terms: 9 + 18 = 27
27 + 4x + -2x = 51

Combine like terms: 4x + -2x = 2x
27 + 2x = 51

Solving
27 + 2x = 51

Solving for variable 'x'.

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

Add '-27' to each side of the equation.
27 + -27 + 2x = 51 + -27

Combine like terms: 27 + -27 = 0
0 + 2x = 51 + -27
2x = 51 + -27

Combine like terms: 51 + -27 = 24
2x = 24

Divide each side by '2'.
x = 12

Simplifying
x = 12

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