8(7-4z)+5(8z-1)=7(4z+1)+19

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Solution for 8(7-4z)+5(8z-1)=7(4z+1)+19 equation:


Simplifying
8(7 + -4z) + 5(8z + -1) = 7(4z + 1) + 19
(7 * 8 + -4z * 8) + 5(8z + -1) = 7(4z + 1) + 19
(56 + -32z) + 5(8z + -1) = 7(4z + 1) + 19

Reorder the terms:
56 + -32z + 5(-1 + 8z) = 7(4z + 1) + 19
56 + -32z + (-1 * 5 + 8z * 5) = 7(4z + 1) + 19
56 + -32z + (-5 + 40z) = 7(4z + 1) + 19

Reorder the terms:
56 + -5 + -32z + 40z = 7(4z + 1) + 19

Combine like terms: 56 + -5 = 51
51 + -32z + 40z = 7(4z + 1) + 19

Combine like terms: -32z + 40z = 8z
51 + 8z = 7(4z + 1) + 19

Reorder the terms:
51 + 8z = 7(1 + 4z) + 19
51 + 8z = (1 * 7 + 4z * 7) + 19
51 + 8z = (7 + 28z) + 19

Reorder the terms:
51 + 8z = 7 + 19 + 28z

Combine like terms: 7 + 19 = 26
51 + 8z = 26 + 28z

Solving
51 + 8z = 26 + 28z

Solving for variable 'z'.

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

Add '-28z' to each side of the equation.
51 + 8z + -28z = 26 + 28z + -28z

Combine like terms: 8z + -28z = -20z
51 + -20z = 26 + 28z + -28z

Combine like terms: 28z + -28z = 0
51 + -20z = 26 + 0
51 + -20z = 26

Add '-51' to each side of the equation.
51 + -51 + -20z = 26 + -51

Combine like terms: 51 + -51 = 0
0 + -20z = 26 + -51
-20z = 26 + -51

Combine like terms: 26 + -51 = -25
-20z = -25

Divide each side by '-20'.
z = 1.25

Simplifying
z = 1.25

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