5x-6=78-9

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Solution for 5x-6=78-9 equation:


Simplifying
5x + -6 = 78 + -9

Reorder the terms:
-6 + 5x = 78 + -9

Combine like terms: 78 + -9 = 69
-6 + 5x = 69

Solving
-6 + 5x = 69

Solving for variable 'x'.

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

Add '6' to each side of the equation.
-6 + 6 + 5x = 69 + 6

Combine like terms: -6 + 6 = 0
0 + 5x = 69 + 6
5x = 69 + 6

Combine like terms: 69 + 6 = 75
5x = 75

Divide each side by '5'.
x = 15

Simplifying
x = 15

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