4z+20-z=7+2z

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Solution for 4z+20-z=7+2z equation:


Simplifying
4z + 20 + -1z = 7 + 2z

Reorder the terms:
20 + 4z + -1z = 7 + 2z

Combine like terms: 4z + -1z = 3z
20 + 3z = 7 + 2z

Solving
20 + 3z = 7 + 2z

Solving for variable 'z'.

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

Add '-2z' to each side of the equation.
20 + 3z + -2z = 7 + 2z + -2z

Combine like terms: 3z + -2z = 1z
20 + 1z = 7 + 2z + -2z

Combine like terms: 2z + -2z = 0
20 + 1z = 7 + 0
20 + 1z = 7

Add '-20' to each side of the equation.
20 + -20 + 1z = 7 + -20

Combine like terms: 20 + -20 = 0
0 + 1z = 7 + -20
1z = 7 + -20

Combine like terms: 7 + -20 = -13
1z = -13

Divide each side by '1'.
z = -13

Simplifying
z = -13

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