4(z-7)-(-2z-5)=5z

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Solution for 4(z-7)-(-2z-5)=5z equation:


Simplifying
4(z + -7) + -1(-2z + -5) = 5z

Reorder the terms:
4(-7 + z) + -1(-2z + -5) = 5z
(-7 * 4 + z * 4) + -1(-2z + -5) = 5z
(-28 + 4z) + -1(-2z + -5) = 5z

Reorder the terms:
-28 + 4z + -1(-5 + -2z) = 5z
-28 + 4z + (-5 * -1 + -2z * -1) = 5z
-28 + 4z + (5 + 2z) = 5z

Reorder the terms:
-28 + 5 + 4z + 2z = 5z

Combine like terms: -28 + 5 = -23
-23 + 4z + 2z = 5z

Combine like terms: 4z + 2z = 6z
-23 + 6z = 5z

Solving
-23 + 6z = 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.
-23 + 6z + -5z = 5z + -5z

Combine like terms: 6z + -5z = 1z
-23 + 1z = 5z + -5z

Combine like terms: 5z + -5z = 0
-23 + 1z = 0

Add '23' to each side of the equation.
-23 + 23 + 1z = 0 + 23

Combine like terms: -23 + 23 = 0
0 + 1z = 0 + 23
1z = 0 + 23

Combine like terms: 0 + 23 = 23
1z = 23

Divide each side by '1'.
z = 23

Simplifying
z = 23

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