3(3z-5)-4(z-8)=

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Solution for 3(3z-5)-4(z-8)= equation:


Simplifying
3(3z + -5) + -4(z + -8) = 0

Reorder the terms:
3(-5 + 3z) + -4(z + -8) = 0
(-5 * 3 + 3z * 3) + -4(z + -8) = 0
(-15 + 9z) + -4(z + -8) = 0

Reorder the terms:
-15 + 9z + -4(-8 + z) = 0
-15 + 9z + (-8 * -4 + z * -4) = 0
-15 + 9z + (32 + -4z) = 0

Reorder the terms:
-15 + 32 + 9z + -4z = 0

Combine like terms: -15 + 32 = 17
17 + 9z + -4z = 0

Combine like terms: 9z + -4z = 5z
17 + 5z = 0

Solving
17 + 5z = 0

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 + 5z = 0 + -17

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

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

Divide each side by '5'.
z = -3.4

Simplifying
z = -3.4

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