9(z-1)-2(3z+4)=5

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Solution for 9(z-1)-2(3z+4)=5 equation:


Simplifying
9(z + -1) + -2(3z + 4) = 5

Reorder the terms:
9(-1 + z) + -2(3z + 4) = 5
(-1 * 9 + z * 9) + -2(3z + 4) = 5
(-9 + 9z) + -2(3z + 4) = 5

Reorder the terms:
-9 + 9z + -2(4 + 3z) = 5
-9 + 9z + (4 * -2 + 3z * -2) = 5
-9 + 9z + (-8 + -6z) = 5

Reorder the terms:
-9 + -8 + 9z + -6z = 5

Combine like terms: -9 + -8 = -17
-17 + 9z + -6z = 5

Combine like terms: 9z + -6z = 3z
-17 + 3z = 5

Solving
-17 + 3z = 5

Solving for variable 'z'.

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

Add '17' to each side of the equation.
-17 + 17 + 3z = 5 + 17

Combine like terms: -17 + 17 = 0
0 + 3z = 5 + 17
3z = 5 + 17

Combine like terms: 5 + 17 = 22
3z = 22

Divide each side by '3'.
z = 7.333333333

Simplifying
z = 7.333333333

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