9x-(-15)=42

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Solution for 9x-(-15)=42 equation: 


Simplifying
9x + -1(-15) = 42

Multiply -1 * -15
9x + 15 = 42

Reorder the terms:
15 + 9x = 42

Solving
15 + 9x = 42

Solving for variable 'x'.

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

Add '-15' to each side of the equation.
15 + -15 + 9x = 42 + -15

Combine like terms: 15 + -15 = 0
0 + 9x = 42 + -15
9x = 42 + -15

Combine like terms: 42 + -15 = 27
9x = 27

Divide each side by '9'.
x = 3

Simplifying
x = 3

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