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

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


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

Reorder the terms:
-9(-7 + x) = 3(x + -5)
(-7 * -9 + x * -9) = 3(x + -5)
(63 + -9x) = 3(x + -5)

Reorder the terms:
63 + -9x = 3(-5 + x)
63 + -9x = (-5 * 3 + x * 3)
63 + -9x = (-15 + 3x)

Solving
63 + -9x = -15 + 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.
63 + -9x + -3x = -15 + 3x + -3x

Combine like terms: -9x + -3x = -12x
63 + -12x = -15 + 3x + -3x

Combine like terms: 3x + -3x = 0
63 + -12x = -15 + 0
63 + -12x = -15

Add '-63' to each side of the equation.
63 + -63 + -12x = -15 + -63

Combine like terms: 63 + -63 = 0
0 + -12x = -15 + -63
-12x = -15 + -63

Combine like terms: -15 + -63 = -78
-12x = -78

Divide each side by '-12'.
x = 6.5

Simplifying
x = 6.5

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