x+3(-10)=-9

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


Simplifying
x + 3(-10) = -9

Multiply 3 * -10
x + -30 = -9

Reorder the terms:
-30 + x = -9

Solving
-30 + x = -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 + x = -9 + 30

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

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

Simplifying
x = 21

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