3z+4(z-5)=10-5z

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Solution for 3z+4(z-5)=10-5z equation:


Simplifying
3z + 4(z + -5) = 10 + -5z

Reorder the terms:
3z + 4(-5 + z) = 10 + -5z
3z + (-5 * 4 + z * 4) = 10 + -5z
3z + (-20 + 4z) = 10 + -5z

Reorder the terms:
-20 + 3z + 4z = 10 + -5z

Combine like terms: 3z + 4z = 7z
-20 + 7z = 10 + -5z

Solving
-20 + 7z = 10 + -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.
-20 + 7z + 5z = 10 + -5z + 5z

Combine like terms: 7z + 5z = 12z
-20 + 12z = 10 + -5z + 5z

Combine like terms: -5z + 5z = 0
-20 + 12z = 10 + 0
-20 + 12z = 10

Add '20' to each side of the equation.
-20 + 20 + 12z = 10 + 20

Combine like terms: -20 + 20 = 0
0 + 12z = 10 + 20
12z = 10 + 20

Combine like terms: 10 + 20 = 30
12z = 30

Divide each side by '12'.
z = 2.5

Simplifying
z = 2.5

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