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

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


Simplifying
3(3z + 9) + -4(z + -2) = 0

Reorder the terms:
3(9 + 3z) + -4(z + -2) = 0
(9 * 3 + 3z * 3) + -4(z + -2) = 0
(27 + 9z) + -4(z + -2) = 0

Reorder the terms:
27 + 9z + -4(-2 + z) = 0
27 + 9z + (-2 * -4 + z * -4) = 0
27 + 9z + (8 + -4z) = 0

Reorder the terms:
27 + 8 + 9z + -4z = 0

Combine like terms: 27 + 8 = 35
35 + 9z + -4z = 0

Combine like terms: 9z + -4z = 5z
35 + 5z = 0

Solving
35 + 5z = 0

Solving for variable 'z'.

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

Add '-35' to each side of the equation.
35 + -35 + 5z = 0 + -35

Combine like terms: 35 + -35 = 0
0 + 5z = 0 + -35
5z = 0 + -35

Combine like terms: 0 + -35 = -35
5z = -35

Divide each side by '5'.
z = -7

Simplifying
z = -7

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