4(3z-1)-3(z+6)=7(z+1)

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Solution for 4(3z-1)-3(z+6)=7(z+1) equation:


Simplifying
4(3z + -1) + -3(z + 6) = 7(z + 1)

Reorder the terms:
4(-1 + 3z) + -3(z + 6) = 7(z + 1)
(-1 * 4 + 3z * 4) + -3(z + 6) = 7(z + 1)
(-4 + 12z) + -3(z + 6) = 7(z + 1)

Reorder the terms:
-4 + 12z + -3(6 + z) = 7(z + 1)
-4 + 12z + (6 * -3 + z * -3) = 7(z + 1)
-4 + 12z + (-18 + -3z) = 7(z + 1)

Reorder the terms:
-4 + -18 + 12z + -3z = 7(z + 1)

Combine like terms: -4 + -18 = -22
-22 + 12z + -3z = 7(z + 1)

Combine like terms: 12z + -3z = 9z
-22 + 9z = 7(z + 1)

Reorder the terms:
-22 + 9z = 7(1 + z)
-22 + 9z = (1 * 7 + z * 7)
-22 + 9z = (7 + 7z)

Solving
-22 + 9z = 7 + 7z

Solving for variable 'z'.

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

Add '-7z' to each side of the equation.
-22 + 9z + -7z = 7 + 7z + -7z

Combine like terms: 9z + -7z = 2z
-22 + 2z = 7 + 7z + -7z

Combine like terms: 7z + -7z = 0
-22 + 2z = 7 + 0
-22 + 2z = 7

Add '22' to each side of the equation.
-22 + 22 + 2z = 7 + 22

Combine like terms: -22 + 22 = 0
0 + 2z = 7 + 22
2z = 7 + 22

Combine like terms: 7 + 22 = 29
2z = 29

Divide each side by '2'.
z = 14.5

Simplifying
z = 14.5

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