-4-2(-8z+4)=2(-7z+3)-7

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Solution for -4-2(-8z+4)=2(-7z+3)-7 equation:


Simplifying
-4 + -2(-8z + 4) = 2(-7z + 3) + -7

Reorder the terms:
-4 + -2(4 + -8z) = 2(-7z + 3) + -7
-4 + (4 * -2 + -8z * -2) = 2(-7z + 3) + -7
-4 + (-8 + 16z) = 2(-7z + 3) + -7

Combine like terms: -4 + -8 = -12
-12 + 16z = 2(-7z + 3) + -7

Reorder the terms:
-12 + 16z = 2(3 + -7z) + -7
-12 + 16z = (3 * 2 + -7z * 2) + -7
-12 + 16z = (6 + -14z) + -7

Reorder the terms:
-12 + 16z = 6 + -7 + -14z

Combine like terms: 6 + -7 = -1
-12 + 16z = -1 + -14z

Solving
-12 + 16z = -1 + -14z

Solving for variable 'z'.

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

Add '14z' to each side of the equation.
-12 + 16z + 14z = -1 + -14z + 14z

Combine like terms: 16z + 14z = 30z
-12 + 30z = -1 + -14z + 14z

Combine like terms: -14z + 14z = 0
-12 + 30z = -1 + 0
-12 + 30z = -1

Add '12' to each side of the equation.
-12 + 12 + 30z = -1 + 12

Combine like terms: -12 + 12 = 0
0 + 30z = -1 + 12
30z = -1 + 12

Combine like terms: -1 + 12 = 11
30z = 11

Divide each side by '30'.
z = 0.3666666667

Simplifying
z = 0.3666666667

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