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

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


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

Reorder the terms:
3(-4 + 3z) + -3(z + 1) = z + 5
(-4 * 3 + 3z * 3) + -3(z + 1) = z + 5
(-12 + 9z) + -3(z + 1) = z + 5

Reorder the terms:
-12 + 9z + -3(1 + z) = z + 5
-12 + 9z + (1 * -3 + z * -3) = z + 5
-12 + 9z + (-3 + -3z) = z + 5

Reorder the terms:
-12 + -3 + 9z + -3z = z + 5

Combine like terms: -12 + -3 = -15
-15 + 9z + -3z = z + 5

Combine like terms: 9z + -3z = 6z
-15 + 6z = z + 5

Reorder the terms:
-15 + 6z = 5 + z

Solving
-15 + 6z = 5 + z

Solving for variable 'z'.

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

Add '-1z' to each side of the equation.
-15 + 6z + -1z = 5 + z + -1z

Combine like terms: 6z + -1z = 5z
-15 + 5z = 5 + z + -1z

Combine like terms: z + -1z = 0
-15 + 5z = 5 + 0
-15 + 5z = 5

Add '15' to each side of the equation.
-15 + 15 + 5z = 5 + 15

Combine like terms: -15 + 15 = 0
0 + 5z = 5 + 15
5z = 5 + 15

Combine like terms: 5 + 15 = 20
5z = 20

Divide each side by '5'.
z = 4

Simplifying
z = 4

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