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

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


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

Reorder the terms:
8 + -4z + -2(7 + 4z) = z + -7
8 + -4z + (7 * -2 + 4z * -2) = z + -7
8 + -4z + (-14 + -8z) = z + -7

Reorder the terms:
8 + -14 + -4z + -8z = z + -7

Combine like terms: 8 + -14 = -6
-6 + -4z + -8z = z + -7

Combine like terms: -4z + -8z = -12z
-6 + -12z = z + -7

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

Solving
-6 + -12z = -7 + z

Solving for variable 'z'.

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

Add '-1z' to each side of the equation.
-6 + -12z + -1z = -7 + z + -1z

Combine like terms: -12z + -1z = -13z
-6 + -13z = -7 + z + -1z

Combine like terms: z + -1z = 0
-6 + -13z = -7 + 0
-6 + -13z = -7

Add '6' to each side of the equation.
-6 + 6 + -13z = -7 + 6

Combine like terms: -6 + 6 = 0
0 + -13z = -7 + 6
-13z = -7 + 6

Combine like terms: -7 + 6 = -1
-13z = -1

Divide each side by '-13'.
z = 0.07692307692

Simplifying
z = 0.07692307692

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