20+4z=40+8z

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Solution for 20+4z=40+8z equation:


Simplifying
20 + 4z = 40 + 8z

Solving
20 + 4z = 40 + 8z

Solving for variable 'z'.

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

Add '-8z' to each side of the equation.
20 + 4z + -8z = 40 + 8z + -8z

Combine like terms: 4z + -8z = -4z
20 + -4z = 40 + 8z + -8z

Combine like terms: 8z + -8z = 0
20 + -4z = 40 + 0
20 + -4z = 40

Add '-20' to each side of the equation.
20 + -20 + -4z = 40 + -20

Combine like terms: 20 + -20 = 0
0 + -4z = 40 + -20
-4z = 40 + -20

Combine like terms: 40 + -20 = 20
-4z = 20

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

Simplifying
z = -5

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