7(z+5)=90+2z

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Solution for 7(z+5)=90+2z equation:


Simplifying
7(z + 5) = 90 + 2z

Reorder the terms:
7(5 + z) = 90 + 2z
(5 * 7 + z * 7) = 90 + 2z
(35 + 7z) = 90 + 2z

Solving
35 + 7z = 90 + 2z

Solving for variable 'z'.

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

Add '-2z' to each side of the equation.
35 + 7z + -2z = 90 + 2z + -2z

Combine like terms: 7z + -2z = 5z
35 + 5z = 90 + 2z + -2z

Combine like terms: 2z + -2z = 0
35 + 5z = 90 + 0
35 + 5z = 90

Add '-35' to each side of the equation.
35 + -35 + 5z = 90 + -35

Combine like terms: 35 + -35 = 0
0 + 5z = 90 + -35
5z = 90 + -35

Combine like terms: 90 + -35 = 55
5z = 55

Divide each side by '5'.
z = 11

Simplifying
z = 11

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