3z+21= 5(2+2) find and verify
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Answered by
2
3z+21=10+10
3z+21=20
3z=20-21
3z=-1
z=-1/2
Answered by
0
Step-by-step explanation:
3z+21= 10+10
or, 3z+21=20
or,3z=20-21
or,3z= -1
or,z= -1/3
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