3(2+8)=7z

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Solution for 3(2+8)=7z equation:


Simplifying
3(2 + 8) = 7z

Combine like terms: 2 + 8 = 10
3(10) = 7z

Multiply 3 * 10
30 = 7z

Solving
30 = 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.
30 + -7z = 7z + -7z

Combine like terms: 7z + -7z = 0
30 + -7z = 0

Add '-30' to each side of the equation.
30 + -30 + -7z = 0 + -30

Combine like terms: 30 + -30 = 0
0 + -7z = 0 + -30
-7z = 0 + -30

Combine like terms: 0 + -30 = -30
-7z = -30

Divide each side by '-7'.
z = 4.285714286

Simplifying
z = 4.285714286

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