-4(z+4)+9=4z+25

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Solution for -4(z+4)+9=4z+25 equation:


Simplifying
-4(z + 4) + 9 = 4z + 25

Reorder the terms:
-4(4 + z) + 9 = 4z + 25
(4 * -4 + z * -4) + 9 = 4z + 25
(-16 + -4z) + 9 = 4z + 25

Reorder the terms:
-16 + 9 + -4z = 4z + 25

Combine like terms: -16 + 9 = -7
-7 + -4z = 4z + 25

Reorder the terms:
-7 + -4z = 25 + 4z

Solving
-7 + -4z = 25 + 4z

Solving for variable 'z'.

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

Add '-4z' to each side of the equation.
-7 + -4z + -4z = 25 + 4z + -4z

Combine like terms: -4z + -4z = -8z
-7 + -8z = 25 + 4z + -4z

Combine like terms: 4z + -4z = 0
-7 + -8z = 25 + 0
-7 + -8z = 25

Add '7' to each side of the equation.
-7 + 7 + -8z = 25 + 7

Combine like terms: -7 + 7 = 0
0 + -8z = 25 + 7
-8z = 25 + 7

Combine like terms: 25 + 7 = 32
-8z = 32

Divide each side by '-8'.
z = -4

Simplifying
z = -4

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