2[z+5]+3z=-15

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Solution for 2[z+5]+3z=-15 equation:


Simplifying
2[z + 5] + 3z = -15

Reorder the terms:
2[5 + z] + 3z = -15
[5 * 2 + z * 2] + 3z = -15
[10 + 2z] + 3z = -15

Combine like terms: 2z + 3z = 5z
10 + 5z = -15

Solving
10 + 5z = -15

Solving for variable 'z'.

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

Add '-10' to each side of the equation.
10 + -10 + 5z = -15 + -10

Combine like terms: 10 + -10 = 0
0 + 5z = -15 + -10
5z = -15 + -10

Combine like terms: -15 + -10 = -25
5z = -25

Divide each side by '5'.
z = -5

Simplifying
z = -5

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