72(x-2)=18(x+1)

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Solution for 72(x-2)=18(x+1) equation:


Simplifying
72(x + -2) = 18(x + 1)

Reorder the terms:
72(-2 + x) = 18(x + 1)
(-2 * 72 + x * 72) = 18(x + 1)
(-144 + 72x) = 18(x + 1)

Reorder the terms:
-144 + 72x = 18(1 + x)
-144 + 72x = (1 * 18 + x * 18)
-144 + 72x = (18 + 18x)

Solving
-144 + 72x = 18 + 18x

Solving for variable 'x'.

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

Add '-18x' to each side of the equation.
-144 + 72x + -18x = 18 + 18x + -18x

Combine like terms: 72x + -18x = 54x
-144 + 54x = 18 + 18x + -18x

Combine like terms: 18x + -18x = 0
-144 + 54x = 18 + 0
-144 + 54x = 18

Add '144' to each side of the equation.
-144 + 144 + 54x = 18 + 144

Combine like terms: -144 + 144 = 0
0 + 54x = 18 + 144
54x = 18 + 144

Combine like terms: 18 + 144 = 162
54x = 162

Divide each side by '54'.
x = 3

Simplifying
x = 3

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