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 = 6x
-63 + 6x = 15 + 3x + -3x

Combine like terms: 3x + -3x = 0
-63 + 6x = 15 + 0
-63 + 6x = 15

Add '63' to each side of the equation.
-63 + 63 + 6x = 15 + 63

Combine like terms: -63 + 63 = 0
0 + 6x = 15 + 63
6x = 15 + 63

Combine like terms: 15 + 63 = 78
6x = 78

Divide each side by '6'.
x = 13

Simplifying
x = 13

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