7-5x=3(x+9)

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Solution for 7-5x=3(x+9) equation:


Simplifying
7 + -5x = 3(x + 9)

Reorder the terms:
7 + -5x = 3(9 + x)
7 + -5x = (9 * 3 + x * 3)
7 + -5x = (27 + 3x)

Solving
7 + -5x = 27 + 3x

Solving for variable 'x'.

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

Add '-3x' to each side of the equation.
7 + -5x + -3x = 27 + 3x + -3x

Combine like terms: -5x + -3x = -8x
7 + -8x = 27 + 3x + -3x

Combine like terms: 3x + -3x = 0
7 + -8x = 27 + 0
7 + -8x = 27

Add '-7' to each side of the equation.
7 + -7 + -8x = 27 + -7

Combine like terms: 7 + -7 = 0
0 + -8x = 27 + -7
-8x = 27 + -7

Combine like terms: 27 + -7 = 20
-8x = 20

Divide each side by '-8'.
x = -2.5

Simplifying
x = -2.5

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