3(1+4z)-2(5z-3)=25

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Solution for 3(1+4z)-2(5z-3)=25 equation:


Simplifying
3(1 + 4z) + -2(5z + -3) = 25
(1 * 3 + 4z * 3) + -2(5z + -3) = 25
(3 + 12z) + -2(5z + -3) = 25

Reorder the terms:
3 + 12z + -2(-3 + 5z) = 25
3 + 12z + (-3 * -2 + 5z * -2) = 25
3 + 12z + (6 + -10z) = 25

Reorder the terms:
3 + 6 + 12z + -10z = 25

Combine like terms: 3 + 6 = 9
9 + 12z + -10z = 25

Combine like terms: 12z + -10z = 2z
9 + 2z = 25

Solving
9 + 2z = 25

Solving for variable 'z'.

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

Add '-9' to each side of the equation.
9 + -9 + 2z = 25 + -9

Combine like terms: 9 + -9 = 0
0 + 2z = 25 + -9
2z = 25 + -9

Combine like terms: 25 + -9 = 16
2z = 16

Divide each side by '2'.
z = 8

Simplifying
z = 8

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