4z-7+4(z+1)=(5z-5)

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Solution for 4z-7+4(z+1)=(5z-5) equation:


Simplifying
4z + -7 + 4(z + 1) = (5z + -5)

Reorder the terms:
4z + -7 + 4(1 + z) = (5z + -5)
4z + -7 + (1 * 4 + z * 4) = (5z + -5)
4z + -7 + (4 + 4z) = (5z + -5)

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

Combine like terms: -7 + 4 = -3
-3 + 4z + 4z = (5z + -5)

Combine like terms: 4z + 4z = 8z
-3 + 8z = (5z + -5)

Reorder the terms:
-3 + 8z = (-5 + 5z)

Remove parenthesis around (-5 + 5z)
-3 + 8z = -5 + 5z

Solving
-3 + 8z = -5 + 5z

Solving for variable 'z'.

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

Add '-5z' to each side of the equation.
-3 + 8z + -5z = -5 + 5z + -5z

Combine like terms: 8z + -5z = 3z
-3 + 3z = -5 + 5z + -5z

Combine like terms: 5z + -5z = 0
-3 + 3z = -5 + 0
-3 + 3z = -5

Add '3' to each side of the equation.
-3 + 3 + 3z = -5 + 3

Combine like terms: -3 + 3 = 0
0 + 3z = -5 + 3
3z = -5 + 3

Combine like terms: -5 + 3 = -2
3z = -2

Divide each side by '3'.
z = -0.6666666667

Simplifying
z = -0.6666666667

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