10z+5(7-12)=15

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Solution for 10z+5(7-12)=15 equation:


Simplifying
10z + 5(7 + -12) = 15

Combine like terms: 7 + -12 = -5
10z + 5(-5) = 15

Multiply 5 * -5
10z + -25 = 15

Reorder the terms:
-25 + 10z = 15

Solving
-25 + 10z = 15

Solving for variable 'z'.

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

Add '25' to each side of the equation.
-25 + 25 + 10z = 15 + 25

Combine like terms: -25 + 25 = 0
0 + 10z = 15 + 25
10z = 15 + 25

Combine like terms: 15 + 25 = 40
10z = 40

Divide each side by '10'.
z = 4

Simplifying
z = 4

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