7x-3=8(x+9)

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Solution for 7x-3=8(x+9) equation:


Simplifying
7x + -3 = 8(x + 9)

Reorder the terms:
-3 + 7x = 8(x + 9)

Reorder the terms:
-3 + 7x = 8(9 + x)
-3 + 7x = (9 * 8 + x * 8)
-3 + 7x = (72 + 8x)

Solving
-3 + 7x = 72 + 8x

Solving for variable 'x'.

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

Add '-8x' to each side of the equation.
-3 + 7x + -8x = 72 + 8x + -8x

Combine like terms: 7x + -8x = -1x
-3 + -1x = 72 + 8x + -8x

Combine like terms: 8x + -8x = 0
-3 + -1x = 72 + 0
-3 + -1x = 72

Add '3' to each side of the equation.
-3 + 3 + -1x = 72 + 3

Combine like terms: -3 + 3 = 0
0 + -1x = 72 + 3
-1x = 72 + 3

Combine like terms: 72 + 3 = 75
-1x = 75

Divide each side by '-1'.
x = -75

Simplifying
x = -75

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