84-4x=7+18x

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Solution for 84-4x=7+18x equation:


Simplifying
84 + -4x = 7 + 18x

Solving
84 + -4x = 7 + 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.
84 + -4x + -18x = 7 + 18x + -18x

Combine like terms: -4x + -18x = -22x
84 + -22x = 7 + 18x + -18x

Combine like terms: 18x + -18x = 0
84 + -22x = 7 + 0
84 + -22x = 7

Add '-84' to each side of the equation.
84 + -84 + -22x = 7 + -84

Combine like terms: 84 + -84 = 0
0 + -22x = 7 + -84
-22x = 7 + -84

Combine like terms: 7 + -84 = -77
-22x = -77

Divide each side by '-22'.
x = 3.5

Simplifying
x = 3.5

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