51-2x=7x+15

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Solution for 51-2x=7x+15 equation:


Simplifying
51 + -2x = 7x + 15

Reorder the terms:
51 + -2x = 15 + 7x

Solving
51 + -2x = 15 + 7x

Solving for variable 'x'.

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

Add '-7x' to each side of the equation.
51 + -2x + -7x = 15 + 7x + -7x

Combine like terms: -2x + -7x = -9x
51 + -9x = 15 + 7x + -7x

Combine like terms: 7x + -7x = 0
51 + -9x = 15 + 0
51 + -9x = 15

Add '-51' to each side of the equation.
51 + -51 + -9x = 15 + -51

Combine like terms: 51 + -51 = 0
0 + -9x = 15 + -51
-9x = 15 + -51

Combine like terms: 15 + -51 = -36
-9x = -36

Divide each side by '-9'.
x = 4

Simplifying
x = 4

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