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

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


Simplifying
(4z + -8) + -1(7z + 2) = 0

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

Remove parenthesis around (-8 + 4z)
-8 + 4z + -1(7z + 2) = 0

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

Reorder the terms:
-8 + -2 + 4z + -7z = 0

Combine like terms: -8 + -2 = -10
-10 + 4z + -7z = 0

Combine like terms: 4z + -7z = -3z
-10 + -3z = 0

Solving
-10 + -3z = 0

Solving for variable 'z'.

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

Add '10' to each side of the equation.
-10 + 10 + -3z = 0 + 10

Combine like terms: -10 + 10 = 0
0 + -3z = 0 + 10
-3z = 0 + 10

Combine like terms: 0 + 10 = 10
-3z = 10

Divide each side by '-3'.
z = -3.333333333

Simplifying
z = -3.333333333

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