7+19z-2=8z+21-5z

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Solution for 7+19z-2=8z+21-5z equation:


Simplifying
7 + 19z + -2 = 8z + 21 + -5z

Reorder the terms:
7 + -2 + 19z = 8z + 21 + -5z

Combine like terms: 7 + -2 = 5
5 + 19z = 8z + 21 + -5z

Reorder the terms:
5 + 19z = 21 + 8z + -5z

Combine like terms: 8z + -5z = 3z
5 + 19z = 21 + 3z

Solving
5 + 19z = 21 + 3z

Solving for variable 'z'.

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

Add '-3z' to each side of the equation.
5 + 19z + -3z = 21 + 3z + -3z

Combine like terms: 19z + -3z = 16z
5 + 16z = 21 + 3z + -3z

Combine like terms: 3z + -3z = 0
5 + 16z = 21 + 0
5 + 16z = 21

Add '-5' to each side of the equation.
5 + -5 + 16z = 21 + -5

Combine like terms: 5 + -5 = 0
0 + 16z = 21 + -5
16z = 21 + -5

Combine like terms: 21 + -5 = 16
16z = 16

Divide each side by '16'.
z = 1

Simplifying
z = 1

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