3(5Z-1)-5(Z+2)=7(Z+1)

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Solution for 3(5Z-1)-5(Z+2)=7(Z+1) equation:


Simplifying
3(5Z + -1) + -5(Z + 2) = 7(Z + 1)

Reorder the terms:
3(-1 + 5Z) + -5(Z + 2) = 7(Z + 1)
(-1 * 3 + 5Z * 3) + -5(Z + 2) = 7(Z + 1)
(-3 + 15Z) + -5(Z + 2) = 7(Z + 1)

Reorder the terms:
-3 + 15Z + -5(2 + Z) = 7(Z + 1)
-3 + 15Z + (2 * -5 + Z * -5) = 7(Z + 1)
-3 + 15Z + (-10 + -5Z) = 7(Z + 1)

Reorder the terms:
-3 + -10 + 15Z + -5Z = 7(Z + 1)

Combine like terms: -3 + -10 = -13
-13 + 15Z + -5Z = 7(Z + 1)

Combine like terms: 15Z + -5Z = 10Z
-13 + 10Z = 7(Z + 1)

Reorder the terms:
-13 + 10Z = 7(1 + Z)
-13 + 10Z = (1 * 7 + Z * 7)
-13 + 10Z = (7 + 7Z)

Solving
-13 + 10Z = 7 + 7Z

Solving for variable 'Z'.

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

Add '-7Z' to each side of the equation.
-13 + 10Z + -7Z = 7 + 7Z + -7Z

Combine like terms: 10Z + -7Z = 3Z
-13 + 3Z = 7 + 7Z + -7Z

Combine like terms: 7Z + -7Z = 0
-13 + 3Z = 7 + 0
-13 + 3Z = 7

Add '13' to each side of the equation.
-13 + 13 + 3Z = 7 + 13

Combine like terms: -13 + 13 = 0
0 + 3Z = 7 + 13
3Z = 7 + 13

Combine like terms: 7 + 13 = 20
3Z = 20

Divide each side by '3'.
Z = 6.666666667

Simplifying
Z = 6.666666667

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