5(z+7)=9+3z

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Solution for 5(z+7)=9+3z equation:


Simplifying
5(z + 7) = 9 + 3z

Reorder the terms:
5(7 + z) = 9 + 3z
(7 * 5 + z * 5) = 9 + 3z
(35 + 5z) = 9 + 3z

Solving
35 + 5z = 9 + 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.
35 + 5z + -3z = 9 + 3z + -3z

Combine like terms: 5z + -3z = 2z
35 + 2z = 9 + 3z + -3z

Combine like terms: 3z + -3z = 0
35 + 2z = 9 + 0
35 + 2z = 9

Add '-35' to each side of the equation.
35 + -35 + 2z = 9 + -35

Combine like terms: 35 + -35 = 0
0 + 2z = 9 + -35
2z = 9 + -35

Combine like terms: 9 + -35 = -26
2z = -26

Divide each side by '2'.
z = -13

Simplifying
z = -13

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