6(5z-1)-4(z+7)=9(z+1)

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Solution for 6(5z-1)-4(z+7)=9(z+1) equation:


Simplifying
6(5z + -1) + -4(z + 7) = 9(z + 1)

Reorder the terms:
6(-1 + 5z) + -4(z + 7) = 9(z + 1)
(-1 * 6 + 5z * 6) + -4(z + 7) = 9(z + 1)
(-6 + 30z) + -4(z + 7) = 9(z + 1)

Reorder the terms:
-6 + 30z + -4(7 + z) = 9(z + 1)
-6 + 30z + (7 * -4 + z * -4) = 9(z + 1)
-6 + 30z + (-28 + -4z) = 9(z + 1)

Reorder the terms:
-6 + -28 + 30z + -4z = 9(z + 1)

Combine like terms: -6 + -28 = -34
-34 + 30z + -4z = 9(z + 1)

Combine like terms: 30z + -4z = 26z
-34 + 26z = 9(z + 1)

Reorder the terms:
-34 + 26z = 9(1 + z)
-34 + 26z = (1 * 9 + z * 9)
-34 + 26z = (9 + 9z)

Solving
-34 + 26z = 9 + 9z

Solving for variable 'z'.

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

Add '-9z' to each side of the equation.
-34 + 26z + -9z = 9 + 9z + -9z

Combine like terms: 26z + -9z = 17z
-34 + 17z = 9 + 9z + -9z

Combine like terms: 9z + -9z = 0
-34 + 17z = 9 + 0
-34 + 17z = 9

Add '34' to each side of the equation.
-34 + 34 + 17z = 9 + 34

Combine like terms: -34 + 34 = 0
0 + 17z = 9 + 34
17z = 9 + 34

Combine like terms: 9 + 34 = 43
17z = 43

Divide each side by '17'.
z = 2.529411765

Simplifying
z = 2.529411765

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