84-3x=15x+18

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Solution for 84-3x=15x+18 equation:


Simplifying
84 + -3x = 15x + 18

Reorder the terms:
84 + -3x = 18 + 15x

Solving
84 + -3x = 18 + 15x

Solving for variable 'x'.

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

Add '-15x' to each side of the equation.
84 + -3x + -15x = 18 + 15x + -15x

Combine like terms: -3x + -15x = -18x
84 + -18x = 18 + 15x + -15x

Combine like terms: 15x + -15x = 0
84 + -18x = 18 + 0
84 + -18x = 18

Add '-84' to each side of the equation.
84 + -84 + -18x = 18 + -84

Combine like terms: 84 + -84 = 0
0 + -18x = 18 + -84
-18x = 18 + -84

Combine like terms: 18 + -84 = -66
-18x = -66

Divide each side by '-18'.
x = 3.666666667

Simplifying
x = 3.666666667

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