Question

write an expression whose value is equal to -9 when x=-3

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Answer 1

Answer:

expression =x + y= -9 _________(1)

we know that x=-3___________(2)

now substituting _____(2) in (1)

x+y=-9

-3+y=-9

+y=-9+3

y=-6

the expression is -3-6=-9