3(x-10)=-9

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Solution for 3(x-10)=-9 equation: 


Simplifying
3(x + -10) = -9

Reorder the terms:
3(-10 + x) = -9
(-10 * 3 + x * 3) = -9
(-30 + 3x) = -9

Solving
-30 + 3x = -9

Solving for variable 'x'.

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

Add '30' to each side of the equation.
-30 + 30 + 3x = -9 + 30

Combine like terms: -30 + 30 = 0
0 + 3x = -9 + 30
3x = -9 + 30

Combine like terms: -9 + 30 = 21
3x = 21

Divide each side by '3'.
x = 7

Simplifying
x = 7

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