3(6z-1)-5(z+9)=7(z+1)

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Solution for 3(6z-1)-5(z+9)=7(z+1) equation:


Simplifying
3(6z + -1) + -5(z + 9) = 7(z + 1)

Reorder the terms:
3(-1 + 6z) + -5(z + 9) = 7(z + 1)
(-1 * 3 + 6z * 3) + -5(z + 9) = 7(z + 1)
(-3 + 18z) + -5(z + 9) = 7(z + 1)

Reorder the terms:
-3 + 18z + -5(9 + z) = 7(z + 1)
-3 + 18z + (9 * -5 + z * -5) = 7(z + 1)
-3 + 18z + (-45 + -5z) = 7(z + 1)

Reorder the terms:
-3 + -45 + 18z + -5z = 7(z + 1)

Combine like terms: -3 + -45 = -48
-48 + 18z + -5z = 7(z + 1)

Combine like terms: 18z + -5z = 13z
-48 + 13z = 7(z + 1)

Reorder the terms:
-48 + 13z = 7(1 + z)
-48 + 13z = (1 * 7 + z * 7)
-48 + 13z = (7 + 7z)

Solving
-48 + 13z = 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.
-48 + 13z + -7z = 7 + 7z + -7z

Combine like terms: 13z + -7z = 6z
-48 + 6z = 7 + 7z + -7z

Combine like terms: 7z + -7z = 0
-48 + 6z = 7 + 0
-48 + 6z = 7

Add '48' to each side of the equation.
-48 + 48 + 6z = 7 + 48

Combine like terms: -48 + 48 = 0
0 + 6z = 7 + 48
6z = 7 + 48

Combine like terms: 7 + 48 = 55
6z = 55

Divide each side by '6'.
z = 9.166666667

Simplifying
z = 9.166666667

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