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

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Solution for 5(z-4)+4=4z-7 equation:


Simplifying
5(z + -4) + 4 = 4z + -7

Reorder the terms:
5(-4 + z) + 4 = 4z + -7
(-4 * 5 + z * 5) + 4 = 4z + -7
(-20 + 5z) + 4 = 4z + -7

Reorder the terms:
-20 + 4 + 5z = 4z + -7

Combine like terms: -20 + 4 = -16
-16 + 5z = 4z + -7

Reorder the terms:
-16 + 5z = -7 + 4z

Solving
-16 + 5z = -7 + 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.
-16 + 5z + -4z = -7 + 4z + -4z

Combine like terms: 5z + -4z = 1z
-16 + 1z = -7 + 4z + -4z

Combine like terms: 4z + -4z = 0
-16 + 1z = -7 + 0
-16 + 1z = -7

Add '16' to each side of the equation.
-16 + 16 + 1z = -7 + 16

Combine like terms: -16 + 16 = 0
0 + 1z = -7 + 16
1z = -7 + 16

Combine like terms: -7 + 16 = 9
1z = 9

Divide each side by '1'.
z = 9

Simplifying
z = 9

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