(4z+8)-(13z+20)=

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Solution for (4z+8)-(13z+20)= equation:


Simplifying
(4z + 8) + -1(13z + 20) = 0

Reorder the terms:
(8 + 4z) + -1(13z + 20) = 0

Remove parenthesis around (8 + 4z)
8 + 4z + -1(13z + 20) = 0

Reorder the terms:
8 + 4z + -1(20 + 13z) = 0
8 + 4z + (20 * -1 + 13z * -1) = 0
8 + 4z + (-20 + -13z) = 0

Reorder the terms:
8 + -20 + 4z + -13z = 0

Combine like terms: 8 + -20 = -12
-12 + 4z + -13z = 0

Combine like terms: 4z + -13z = -9z
-12 + -9z = 0

Solving
-12 + -9z = 0

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 + -9z = 0 + 12

Combine like terms: -12 + 12 = 0
0 + -9z = 0 + 12
-9z = 0 + 12

Combine like terms: 0 + 12 = 12
-9z = 12

Divide each side by '-9'.
z = -1.333333333

Simplifying
z = -1.333333333

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