8-5(3z+4)=20

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Solution for 8-5(3z+4)=20 equation:


Simplifying
8 + -5(3z + 4) = 20

Reorder the terms:
8 + -5(4 + 3z) = 20
8 + (4 * -5 + 3z * -5) = 20
8 + (-20 + -15z) = 20

Combine like terms: 8 + -20 = -12
-12 + -15z = 20

Solving
-12 + -15z = 20

Solving for variable 'z'.

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

Add '12' to each side of the equation.
-12 + 12 + -15z = 20 + 12

Combine like terms: -12 + 12 = 0
0 + -15z = 20 + 12
-15z = 20 + 12

Combine like terms: 20 + 12 = 32
-15z = 32

Divide each side by '-15'.
z = -2.133333333

Simplifying
z = -2.133333333

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