3(z+5)=5z+7

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


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

Reorder the terms:
3(5 + z) = 5z + 7
(5 * 3 + z * 3) = 5z + 7
(15 + 3z) = 5z + 7

Reorder the terms:
15 + 3z = 7 + 5z

Solving
15 + 3z = 7 + 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.
15 + 3z + -5z = 7 + 5z + -5z

Combine like terms: 3z + -5z = -2z
15 + -2z = 7 + 5z + -5z

Combine like terms: 5z + -5z = 0
15 + -2z = 7 + 0
15 + -2z = 7

Add '-15' to each side of the equation.
15 + -15 + -2z = 7 + -15

Combine like terms: 15 + -15 = 0
0 + -2z = 7 + -15
-2z = 7 + -15

Combine like terms: 7 + -15 = -8
-2z = -8

Divide each side by '-2'.
z = 4

Simplifying
z = 4

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