2(4z-1)-4(z+7)=

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Solution for 2(4z-1)-4(z+7)= equation:


Simplifying
2(4z + -1) + -4(z + 7) = 0

Reorder the terms:
2(-1 + 4z) + -4(z + 7) = 0
(-1 * 2 + 4z * 2) + -4(z + 7) = 0
(-2 + 8z) + -4(z + 7) = 0

Reorder the terms:
-2 + 8z + -4(7 + z) = 0
-2 + 8z + (7 * -4 + z * -4) = 0
-2 + 8z + (-28 + -4z) = 0

Reorder the terms:
-2 + -28 + 8z + -4z = 0

Combine like terms: -2 + -28 = -30
-30 + 8z + -4z = 0

Combine like terms: 8z + -4z = 4z
-30 + 4z = 0

Solving
-30 + 4z = 0

Solving for variable 'z'.

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

Add '30' to each side of the equation.
-30 + 30 + 4z = 0 + 30

Combine like terms: -30 + 30 = 0
0 + 4z = 0 + 30
4z = 0 + 30

Combine like terms: 0 + 30 = 30
4z = 30

Divide each side by '4'.
z = 7.5

Simplifying
z = 7.5

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