10(z+2)=90

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Solution for 10(z+2)=90 equation: 


Simplifying
10(z + 2) = 90

Reorder the terms:
10(2 + z) = 90
(2 * 10 + z * 10) = 90
(20 + 10z) = 90

Solving
20 + 10z = 90

Solving for variable 'z'.

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

Add '-20' to each side of the equation.
20 + -20 + 10z = 90 + -20

Combine like terms: 20 + -20 = 0
0 + 10z = 90 + -20
10z = 90 + -20

Combine like terms: 90 + -20 = 70
10z = 70

Divide each side by '10'.
z = 7

Simplifying
z = 7

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