18=3x+5x-3

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Solution for 18=3x+5x-3 equation:


Simplifying
18 = 3x + 5x + -3

Reorder the terms:
18 = -3 + 3x + 5x

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

Solving
18 = -3 + 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.
18 + -8x = -3 + 8x + -8x

Combine like terms: 8x + -8x = 0
18 + -8x = -3 + 0
18 + -8x = -3

Add '-18' to each side of the equation.
18 + -18 + -8x = -3 + -18

Combine like terms: 18 + -18 = 0
0 + -8x = -3 + -18
-8x = -3 + -18

Combine like terms: -3 + -18 = -21
-8x = -21

Divide each side by '-8'.
x = 2.625

Simplifying
x = 2.625

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