3(5z-1)-4(z+9)=4(z+1)

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Solution for 3(5z-1)-4(z+9)=4(z+1) equation:


Simplifying
3(5z + -1) + -4(z + 9) = 4(z + 1)

Reorder the terms:
3(-1 + 5z) + -4(z + 9) = 4(z + 1)
(-1 * 3 + 5z * 3) + -4(z + 9) = 4(z + 1)
(-3 + 15z) + -4(z + 9) = 4(z + 1)

Reorder the terms:
-3 + 15z + -4(9 + z) = 4(z + 1)
-3 + 15z + (9 * -4 + z * -4) = 4(z + 1)
-3 + 15z + (-36 + -4z) = 4(z + 1)

Reorder the terms:
-3 + -36 + 15z + -4z = 4(z + 1)

Combine like terms: -3 + -36 = -39
-39 + 15z + -4z = 4(z + 1)

Combine like terms: 15z + -4z = 11z
-39 + 11z = 4(z + 1)

Reorder the terms:
-39 + 11z = 4(1 + z)
-39 + 11z = (1 * 4 + z * 4)
-39 + 11z = (4 + 4z)

Solving
-39 + 11z = 4 + 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.
-39 + 11z + -4z = 4 + 4z + -4z

Combine like terms: 11z + -4z = 7z
-39 + 7z = 4 + 4z + -4z

Combine like terms: 4z + -4z = 0
-39 + 7z = 4 + 0
-39 + 7z = 4

Add '39' to each side of the equation.
-39 + 39 + 7z = 4 + 39

Combine like terms: -39 + 39 = 0
0 + 7z = 4 + 39
7z = 4 + 39

Combine like terms: 4 + 39 = 43
7z = 43

Divide each side by '7'.
z = 6.142857143

Simplifying
z = 6.142857143

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