solve by method of balancing
13- y = 21
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Answered by
4
Answer:
13-y = 21.
Step-by-step explanation:
-y = 21-13 = 7. y = 7
Answered by
2
13-y=21
We are sure that y must be a negative number because LHS must be equal to RHS
-y=21-13
y=-(21-13)
y=-(7)
y=-7
We are sure that y must be a negative number because LHS must be equal to RHS
-y=21-13
y=-(21-13)
y=-(7)
y=-7
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