7(3-5z)-2(1-3z)=8z-1

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Solution for 7(3-5z)-2(1-3z)=8z-1 equation:


Simplifying
7(3 + -5z) + -2(1 + -3z) = 8z + -1
(3 * 7 + -5z * 7) + -2(1 + -3z) = 8z + -1
(21 + -35z) + -2(1 + -3z) = 8z + -1
21 + -35z + (1 * -2 + -3z * -2) = 8z + -1
21 + -35z + (-2 + 6z) = 8z + -1

Reorder the terms:
21 + -2 + -35z + 6z = 8z + -1

Combine like terms: 21 + -2 = 19
19 + -35z + 6z = 8z + -1

Combine like terms: -35z + 6z = -29z
19 + -29z = 8z + -1

Reorder the terms:
19 + -29z = -1 + 8z

Solving
19 + -29z = -1 + 8z

Solving for variable 'z'.

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

Add '-8z' to each side of the equation.
19 + -29z + -8z = -1 + 8z + -8z

Combine like terms: -29z + -8z = -37z
19 + -37z = -1 + 8z + -8z

Combine like terms: 8z + -8z = 0
19 + -37z = -1 + 0
19 + -37z = -1

Add '-19' to each side of the equation.
19 + -19 + -37z = -1 + -19

Combine like terms: 19 + -19 = 0
0 + -37z = -1 + -19
-37z = -1 + -19

Combine like terms: -1 + -19 = -20
-37z = -20

Divide each side by '-37'.
z = 0.5405405405

Simplifying
z = 0.5405405405

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