18=5(x+3)-8x

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Solution for 18=5(x+3)-8x equation:


Simplifying
18 = 5(x + 3) + -8x

Reorder the terms:
18 = 5(3 + x) + -8x
18 = (3 * 5 + x * 5) + -8x
18 = (15 + 5x) + -8x

Combine like terms: 5x + -8x = -3x
18 = 15 + -3x

Solving
18 = 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.
18 + 3x = 15 + -3x + 3x

Combine like terms: -3x + 3x = 0
18 + 3x = 15 + 0
18 + 3x = 15

Add '-18' to each side of the equation.
18 + -18 + 3x = 15 + -18

Combine like terms: 18 + -18 = 0
0 + 3x = 15 + -18
3x = 15 + -18

Combine like terms: 15 + -18 = -3
3x = -3

Divide each side by '3'.
x = -1

Simplifying
x = -1

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