4x-(-9)=42

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Solution for 4x-(-9)=42 equation: 


Simplifying
4x + -1(-9) = 42

Multiply -1 * -9
4x + 9 = 42

Reorder the terms:
9 + 4x = 42

Solving
9 + 4x = 42

Solving for variable 'x'.

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

Add '-9' to each side of the equation.
9 + -9 + 4x = 42 + -9

Combine like terms: 9 + -9 = 0
0 + 4x = 42 + -9
4x = 42 + -9

Combine like terms: 42 + -9 = 33
4x = 33

Divide each side by '4'.
x = 8.25

Simplifying
x = 8.25

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