8(2.5+4z)=7

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Solution for 8(2.5+4z)=7 equation: 


Simplifying
8(2.5 + 4z) = 7
(2.5 * 8 + 4z * 8) = 7
(20 + 32z) = 7

Solving
20 + 32z = 7

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 + 32z = 7 + -20

Combine like terms: 20 + -20 = 0
0 + 32z = 7 + -20
32z = 7 + -20

Combine like terms: 7 + -20 = -13
32z = -13

Divide each side by '32'.
z = -0.40625

Simplifying
z = -0.40625

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