3(7x-8)-9=3(x+1)

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Solution for 3(7x-8)-9=3(x+1) equation:


Simplifying
3(7x + -8) + -9 = 3(x + 1)

Reorder the terms:
3(-8 + 7x) + -9 = 3(x + 1)
(-8 * 3 + 7x * 3) + -9 = 3(x + 1)
(-24 + 21x) + -9 = 3(x + 1)

Reorder the terms:
-24 + -9 + 21x = 3(x + 1)

Combine like terms: -24 + -9 = -33
-33 + 21x = 3(x + 1)

Reorder the terms:
-33 + 21x = 3(1 + x)
-33 + 21x = (1 * 3 + x * 3)
-33 + 21x = (3 + 3x)

Solving
-33 + 21x = 3 + 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.
-33 + 21x + -3x = 3 + 3x + -3x

Combine like terms: 21x + -3x = 18x
-33 + 18x = 3 + 3x + -3x

Combine like terms: 3x + -3x = 0
-33 + 18x = 3 + 0
-33 + 18x = 3

Add '33' to each side of the equation.
-33 + 33 + 18x = 3 + 33

Combine like terms: -33 + 33 = 0
0 + 18x = 3 + 33
18x = 3 + 33

Combine like terms: 3 + 33 = 36
18x = 36

Divide each side by '18'.
x = 2

Simplifying
x = 2

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