3+4(2z+5)=31+4z

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Solution for 3+4(2z+5)=31+4z equation:


Simplifying
3 + 4(2z + 5) = 31 + 4z

Reorder the terms:
3 + 4(5 + 2z) = 31 + 4z
3 + (5 * 4 + 2z * 4) = 31 + 4z
3 + (20 + 8z) = 31 + 4z

Combine like terms: 3 + 20 = 23
23 + 8z = 31 + 4z

Solving
23 + 8z = 31 + 4z

Solving for variable 'z'.

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

Add '-4z' to each side of the equation.
23 + 8z + -4z = 31 + 4z + -4z

Combine like terms: 8z + -4z = 4z
23 + 4z = 31 + 4z + -4z

Combine like terms: 4z + -4z = 0
23 + 4z = 31 + 0
23 + 4z = 31

Add '-23' to each side of the equation.
23 + -23 + 4z = 31 + -23

Combine like terms: 23 + -23 = 0
0 + 4z = 31 + -23
4z = 31 + -23

Combine like terms: 31 + -23 = 8
4z = 8

Divide each side by '4'.
z = 2

Simplifying
z = 2

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