3+4(z+15)5=31

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Solution for 3+4(z+15)5=31 equation:


Simplifying
3 + 4(z + 15) * 5 = 31

Reorder the terms:
3 + 4(15 + z) * 5 = 31

Reorder the terms for easier multiplication:
3 + 4 * 5(15 + z) = 31

Multiply 4 * 5
3 + 20(15 + z) = 31
3 + (15 * 20 + z * 20) = 31
3 + (300 + 20z) = 31

Combine like terms: 3 + 300 = 303
303 + 20z = 31

Solving
303 + 20z = 31

Solving for variable 'z'.

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

Add '-303' to each side of the equation.
303 + -303 + 20z = 31 + -303

Combine like terms: 303 + -303 = 0
0 + 20z = 31 + -303
20z = 31 + -303

Combine like terms: 31 + -303 = -272
20z = -272

Divide each side by '20'.
z = -13.6

Simplifying
z = -13.6

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