Andehdz
Andehdz
09-10-2020
Mathematics
contestada
h-z=3
-3h + 3z = 6
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gabriellasuarez35
gabriellasuarez35
13-10-2020
Answer:
-3h+3z =6
multiply by-1
3h-3z=-6
3(h-z)=-6
3(3)=-6
9=-6
9+6
15
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