z=(90+120)/15

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Solution for z=(90+120)/15 equation:



z=(90+120)/15
We move all terms to the left:
z-((90+120)/15)=0
We add all the numbers together, and all the variables
z-(210/15)=0
We get rid of parentheses
z-210/15=0
We multiply all the terms by the denominator
z*15-210=0
Wy multiply elements
15z-210=0
We move all terms containing z to the left, all other terms to the right
15z=210
z=210/15
z=14

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