4-(-20)=m

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Solution for 4-(-20)=m equation: 


Simplifying
4 + -1(-20) = m

Multiply -1 * -20
4 + 20 = m

Combine like terms: 4 + 20 = 24
24 = m

Solving
24 = m

Solving for variable 'm'.

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

Add '-1m' to each side of the equation.
24 + -1m = m + -1m

Combine like terms: m + -1m = 0
24 + -1m = 0

Add '-24' to each side of the equation.
24 + -24 + -1m = 0 + -24

Combine like terms: 24 + -24 = 0
0 + -1m = 0 + -24
-1m = 0 + -24

Combine like terms: 0 + -24 = -24
-1m = -24

Divide each side by '-1'.
m = 24

Simplifying
m = 24

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