78-3=9x+18

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Solution for 78-3=9x+18 equation:


Simplifying
78 + -3 = 9x + 18

Combine like terms: 78 + -3 = 75
75 = 9x + 18

Reorder the terms:
75 = 18 + 9x

Solving
75 = 18 + 9x

Solving for variable 'x'.

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

Add '-9x' to each side of the equation.
75 + -9x = 18 + 9x + -9x

Combine like terms: 9x + -9x = 0
75 + -9x = 18 + 0
75 + -9x = 18

Add '-75' to each side of the equation.
75 + -75 + -9x = 18 + -75

Combine like terms: 75 + -75 = 0
0 + -9x = 18 + -75
-9x = 18 + -75

Combine like terms: 18 + -75 = -57
-9x = -57

Divide each side by '-9'.
x = 6.333333333

Simplifying
x = 6.333333333

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