3(2+5)=8z

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Solution for 3(2+5)=8z equation:


Simplifying
3(2 + 5) = 8z

Combine like terms: 2 + 5 = 7
3(7) = 8z

Multiply 3 * 7
21 = 8z

Solving
21 = 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.
21 + -8z = 8z + -8z

Combine like terms: 8z + -8z = 0
21 + -8z = 0

Add '-21' to each side of the equation.
21 + -21 + -8z = 0 + -21

Combine like terms: 21 + -21 = 0
0 + -8z = 0 + -21
-8z = 0 + -21

Combine like terms: 0 + -21 = -21
-8z = -21

Divide each side by '-8'.
z = 2.625

Simplifying
z = 2.625

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