luna81
luna81
07-09-2018
Mathematics
contestada
-10z = -9z + 3 find z please!
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Аноним
Аноним
07-09-2018
1:
Add 9z to both sides.
−10z+9z=−9z+3+9z
−z=3
2:
Divide both sides by -1.
−z/−1 = 3/−1
z=−3
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krazyanimalgirl
krazyanimalgirl
07-09-2018
-3 since your would do +9 with -10z which equals -1 which also equals -z=3 then you divide 3/-1 is -3
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