7(4-3z)=-6(z-4)-8

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Solution for 7(4-3z)=-6(z-4)-8 equation:


Simplifying
7(4 + -3z) = -6(z + -4) + -8
(4 * 7 + -3z * 7) = -6(z + -4) + -8
(28 + -21z) = -6(z + -4) + -8

Reorder the terms:
28 + -21z = -6(-4 + z) + -8
28 + -21z = (-4 * -6 + z * -6) + -8
28 + -21z = (24 + -6z) + -8

Reorder the terms:
28 + -21z = 24 + -8 + -6z

Combine like terms: 24 + -8 = 16
28 + -21z = 16 + -6z

Solving
28 + -21z = 16 + -6z

Solving for variable 'z'.

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

Add '6z' to each side of the equation.
28 + -21z + 6z = 16 + -6z + 6z

Combine like terms: -21z + 6z = -15z
28 + -15z = 16 + -6z + 6z

Combine like terms: -6z + 6z = 0
28 + -15z = 16 + 0
28 + -15z = 16

Add '-28' to each side of the equation.
28 + -28 + -15z = 16 + -28

Combine like terms: 28 + -28 = 0
0 + -15z = 16 + -28
-15z = 16 + -28

Combine like terms: 16 + -28 = -12
-15z = -12

Divide each side by '-15'.
z = 0.8

Simplifying
z = 0.8

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