7+2z=-15

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Solution for 7+2z=-15 equation:



7+2z=-15
We move all terms to the left:
7+2z-(-15)=0
We add all the numbers together, and all the variables
2z+22=0
We move all terms containing z to the left, all other terms to the right
2z=-22
z=-22/2
z=-11

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