4(3z-7)+3(5z-1)=56

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Solution for 4(3z-7)+3(5z-1)=56 equation:


Simplifying
4(3z + -7) + 3(5z + -1) = 56

Reorder the terms:
4(-7 + 3z) + 3(5z + -1) = 56
(-7 * 4 + 3z * 4) + 3(5z + -1) = 56
(-28 + 12z) + 3(5z + -1) = 56

Reorder the terms:
-28 + 12z + 3(-1 + 5z) = 56
-28 + 12z + (-1 * 3 + 5z * 3) = 56
-28 + 12z + (-3 + 15z) = 56

Reorder the terms:
-28 + -3 + 12z + 15z = 56

Combine like terms: -28 + -3 = -31
-31 + 12z + 15z = 56

Combine like terms: 12z + 15z = 27z
-31 + 27z = 56

Solving
-31 + 27z = 56

Solving for variable 'z'.

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

Add '31' to each side of the equation.
-31 + 31 + 27z = 56 + 31

Combine like terms: -31 + 31 = 0
0 + 27z = 56 + 31
27z = 56 + 31

Combine like terms: 56 + 31 = 87
27z = 87

Divide each side by '27'.
z = 3.222222222

Simplifying
z = 3.222222222

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