3z+2+4z-3+90=180

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Solution for 3z+2+4z-3+90=180 equation:


Simplifying
3z + 2 + 4z + -3 + 90 = 180

Reorder the terms:
2 + -3 + 90 + 3z + 4z = 180

Combine like terms: 2 + -3 = -1
-1 + 90 + 3z + 4z = 180

Combine like terms: -1 + 90 = 89
89 + 3z + 4z = 180

Combine like terms: 3z + 4z = 7z
89 + 7z = 180

Solving
89 + 7z = 180

Solving for variable 'z'.

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

Add '-89' to each side of the equation.
89 + -89 + 7z = 180 + -89

Combine like terms: 89 + -89 = 0
0 + 7z = 180 + -89
7z = 180 + -89

Combine like terms: 180 + -89 = 91
7z = 91

Divide each side by '7'.
z = 13

Simplifying
z = 13

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