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

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


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

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

Reorder the terms:
18 + 6x = 7(-9 + x)
18 + 6x = (-9 * 7 + x * 7)
18 + 6x = (-63 + 7x)

Solving
18 + 6x = -63 + 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.
18 + 6x + -7x = -63 + 7x + -7x

Combine like terms: 6x + -7x = -1x
18 + -1x = -63 + 7x + -7x

Combine like terms: 7x + -7x = 0
18 + -1x = -63 + 0
18 + -1x = -63

Add '-18' to each side of the equation.
18 + -18 + -1x = -63 + -18

Combine like terms: 18 + -18 = 0
0 + -1x = -63 + -18
-1x = -63 + -18

Combine like terms: -63 + -18 = -81
-1x = -81

Divide each side by '-1'.
x = 81

Simplifying
x = 81

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