.875(.7+z)=9z+.777

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Solution for .875(.7+z)=9z+.777 equation:


Simplifying
0.875(0.7 + z) = 9z + 0.777
(0.7 * 0.875 + z * 0.875) = 9z + 0.777
(0.6125 + 0.875z) = 9z + 0.777

Reorder the terms:
0.6125 + 0.875z = 0.777 + 9z

Solving
0.6125 + 0.875z = 0.777 + 9z

Solving for variable 'z'.

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

Add '-9z' to each side of the equation.
0.6125 + 0.875z + -9z = 0.777 + 9z + -9z

Combine like terms: 0.875z + -9z = -8.125z
0.6125 + -8.125z = 0.777 + 9z + -9z

Combine like terms: 9z + -9z = 0
0.6125 + -8.125z = 0.777 + 0
0.6125 + -8.125z = 0.777

Add '-0.6125' to each side of the equation.
0.6125 + -0.6125 + -8.125z = 0.777 + -0.6125

Combine like terms: 0.6125 + -0.6125 = 0.0000
0.0000 + -8.125z = 0.777 + -0.6125
-8.125z = 0.777 + -0.6125

Combine like terms: 0.777 + -0.6125 = 0.1645
-8.125z = 0.1645

Divide each side by '-8.125'.
z = -0.02024615385

Simplifying
z = -0.02024615385

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