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Sagot :
5(-2) + y = 10
-10 + y = 10
plus 10 on both side to get rid of 10 in left side
10 - 10 + y = 10 + 10
y = 20
-10 + y = 10
plus 10 on both side to get rid of 10 in left side
10 - 10 + y = 10 + 10
y = 20
Answer:
y=20
Step-by-step explanation:
5x+y=10 can't be solved without one of the values but with given the value of x, we can substitute the equation...
-----> 5(-2)+y=10
5 times -2 is -10
-----> -10+y=10
Now we add 10 to each side that leaves y on its own and adds 10 with another 10 making 20 on the other side.
------> y=20
I hope this helps! :)
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