5(2z+20)=7z+8

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Solution for 5(2z+20)=7z+8 equation:


Simplifying
5(2z + 20) = 7z + 8

Reorder the terms:
5(20 + 2z) = 7z + 8
(20 * 5 + 2z * 5) = 7z + 8
(100 + 10z) = 7z + 8

Reorder the terms:
100 + 10z = 8 + 7z

Solving
100 + 10z = 8 + 7z

Solving for variable 'z'.

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

Add '-7z' to each side of the equation.
100 + 10z + -7z = 8 + 7z + -7z

Combine like terms: 10z + -7z = 3z
100 + 3z = 8 + 7z + -7z

Combine like terms: 7z + -7z = 0
100 + 3z = 8 + 0
100 + 3z = 8

Add '-100' to each side of the equation.
100 + -100 + 3z = 8 + -100

Combine like terms: 100 + -100 = 0
0 + 3z = 8 + -100
3z = 8 + -100

Combine like terms: 8 + -100 = -92
3z = -92

Divide each side by '3'.
z = -30.66666667

Simplifying
z = -30.66666667

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