3z+3+8z-30=90

Solution for 3z+3+8z-30=90 equation:

Simplifying
3z + 3 + 8z + -30 = 90

Reorder the terms:
3 + -30 + 3z + 8z = 90

Combine like terms: 3 + -30 = -27
-27 + 3z + 8z = 90

Combine like terms: 3z + 8z = 11z
-27 + 11z = 90

Solving
-27 + 11z = 90

Solving for variable 'z'.

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

Add '27' to each side of the equation.
-27 + 27 + 11z = 90 + 27

Combine like terms: -27 + 27 = 0
0 + 11z = 90 + 27
11z = 90 + 27

Combine like terms: 90 + 27 = 117
11z = 117

Divide each side by '11'.
z = 10.63636364

Simplifying
z = 10.63636364