5z-7=3(z+1)

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Solution for 5z-7=3(z+1) equation:


Simplifying
5z + -7 = 3(z + 1)

Reorder the terms:
-7 + 5z = 3(z + 1)

Reorder the terms:
-7 + 5z = 3(1 + z)
-7 + 5z = (1 * 3 + z * 3)
-7 + 5z = (3 + 3z)

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

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

Combine like terms: 3z + -3z = 0
-7 + 2z = 3 + 0
-7 + 2z = 3

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

Combine like terms: -7 + 7 = 0
0 + 2z = 3 + 7
2z = 3 + 7

Combine like terms: 3 + 7 = 10
2z = 10

Divide each side by '2'.
z = 5

Simplifying
z = 5

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