8-7+2z=20+5z

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Solution for 8-7+2z=20+5z equation:


Simplifying
8 + -7 + 2z = 20 + 5z

Combine like terms: 8 + -7 = 1
1 + 2z = 20 + 5z

Solving
1 + 2z = 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.
1 + 2z + -5z = 20 + 5z + -5z

Combine like terms: 2z + -5z = -3z
1 + -3z = 20 + 5z + -5z

Combine like terms: 5z + -5z = 0
1 + -3z = 20 + 0
1 + -3z = 20

Add '-1' to each side of the equation.
1 + -1 + -3z = 20 + -1

Combine like terms: 1 + -1 = 0
0 + -3z = 20 + -1
-3z = 20 + -1

Combine like terms: 20 + -1 = 19
-3z = 19

Divide each side by '-3'.
z = -6.333333333

Simplifying
z = -6.333333333

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