3x-9=69-10x

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Solution for 3x-9=69-10x equation:


Simplifying
3x + -9 = 69 + -10x

Reorder the terms:
-9 + 3x = 69 + -10x

Solving
-9 + 3x = 69 + -10x

Solving for variable 'x'.

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

Add '10x' to each side of the equation.
-9 + 3x + 10x = 69 + -10x + 10x

Combine like terms: 3x + 10x = 13x
-9 + 13x = 69 + -10x + 10x

Combine like terms: -10x + 10x = 0
-9 + 13x = 69 + 0
-9 + 13x = 69

Add '9' to each side of the equation.
-9 + 9 + 13x = 69 + 9

Combine like terms: -9 + 9 = 0
0 + 13x = 69 + 9
13x = 69 + 9

Combine like terms: 69 + 9 = 78
13x = 78

Divide each side by '13'.
x = 6

Simplifying
x = 6

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