15-3(z+1)=8z

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Solution for 15-3(z+1)=8z equation:


Simplifying
15 + -3(z + 1) = 8z

Reorder the terms:
15 + -3(1 + z) = 8z
15 + (1 * -3 + z * -3) = 8z
15 + (-3 + -3z) = 8z

Combine like terms: 15 + -3 = 12
12 + -3z = 8z

Solving
12 + -3z = 8z

Solving for variable 'z'.

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

Add '-8z' to each side of the equation.
12 + -3z + -8z = 8z + -8z

Combine like terms: -3z + -8z = -11z
12 + -11z = 8z + -8z

Combine like terms: 8z + -8z = 0
12 + -11z = 0

Add '-12' to each side of the equation.
12 + -12 + -11z = 0 + -12

Combine like terms: 12 + -12 = 0
0 + -11z = 0 + -12
-11z = 0 + -12

Combine like terms: 0 + -12 = -12
-11z = -12

Divide each side by '-11'.
z = 1.090909091

Simplifying
z = 1.090909091

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