7+9x=3(6x+25)-x

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Solution for 7+9x=3(6x+25)-x equation:


Simplifying
7 + 9x = 3(6x + 25) + -1x

Reorder the terms:
7 + 9x = 3(25 + 6x) + -1x
7 + 9x = (25 * 3 + 6x * 3) + -1x
7 + 9x = (75 + 18x) + -1x

Combine like terms: 18x + -1x = 17x
7 + 9x = 75 + 17x

Solving
7 + 9x = 75 + 17x

Solving for variable 'x'.

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

Add '-17x' to each side of the equation.
7 + 9x + -17x = 75 + 17x + -17x

Combine like terms: 9x + -17x = -8x
7 + -8x = 75 + 17x + -17x

Combine like terms: 17x + -17x = 0
7 + -8x = 75 + 0
7 + -8x = 75

Add '-7' to each side of the equation.
7 + -7 + -8x = 75 + -7

Combine like terms: 7 + -7 = 0
0 + -8x = 75 + -7
-8x = 75 + -7

Combine like terms: 75 + -7 = 68
-8x = 68

Divide each side by '-8'.
x = -8.5

Simplifying
x = -8.5

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