Help please ASAP (7th grade math)
2 answers:
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Answer:
The value of x and y is ,
x = and y = 2
Step-by-step explanation:
The given two linear equation can be written as ,
y + 9x = -13 ....1 and
y - 3x = 7 .....2
Put the value of y from eq 1 into eq 2
i.e (-13 -9x) - 3x = 7
or, -12x = 7 +13
Or, -12x = 20
i.e X =
Now put t his value of x in any above two linear equation
Let put this value on eq 2 to get value of y
so its can be writen as.
y = 3x + 7
or, y = 3() + 7
or, y = -5 +7
i.e Y = 2
Hence the value of x and y is , x = and y = 2 Answer