-20=2z+3z

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Solution for -20=2z+3z equation:


Simplifying
-20 = 2z + 3z

Combine like terms: 2z + 3z = 5z
-20 = 5z

Solving
-20 = 5z

Solving for variable 'z'.

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

Add '-5z' to each side of the equation.
-20 + -5z = 5z + -5z

Combine like terms: 5z + -5z = 0
-20 + -5z = 0

Add '20' to each side of the equation.
-20 + 20 + -5z = 0 + 20

Combine like terms: -20 + 20 = 0
0 + -5z = 0 + 20
-5z = 0 + 20

Combine like terms: 0 + 20 = 20
-5z = 20

Divide each side by '-5'.
z = -4

Simplifying
z = -4

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