2z+6+11z-7=90

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Solution for 2z+6+11z-7=90 equation:


Simplifying
2z + 6 + 11z + -7 = 90

Reorder the terms:
6 + -7 + 2z + 11z = 90

Combine like terms: 6 + -7 = -1
-1 + 2z + 11z = 90

Combine like terms: 2z + 11z = 13z
-1 + 13z = 90

Solving
-1 + 13z = 90

Solving for variable 'z'.

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

Add '1' to each side of the equation.
-1 + 1 + 13z = 90 + 1

Combine like terms: -1 + 1 = 0
0 + 13z = 90 + 1
13z = 90 + 1

Combine like terms: 90 + 1 = 91
13z = 91

Divide each side by '13'.
z = 7

Simplifying
z = 7

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