-40-3x=9-10

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Solution for -40-3x=9-10 equation: 


Simplifying
-40 + -3x = 9 + -10

Combine like terms: 9 + -10 = -1
-40 + -3x = -1

Solving
-40 + -3x = -1

Solving for variable 'x'.

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

Add '40' to each side of the equation.
-40 + 40 + -3x = -1 + 40

Combine like terms: -40 + 40 = 0
0 + -3x = -1 + 40
-3x = -1 + 40

Combine like terms: -1 + 40 = 39
-3x = 39

Divide each side by '-3'.
x = -13

Simplifying
x = -13

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