Question

The equation of a function is y = 10 - 9x.Find the value of x when
a. y = -8,
b.y = -26​

Answer 1

Step-by-step explanation:

a) y=10-9x

if,y=-8

so,-8=10-9x

or,10-9x=-8

or,-9x=-8-10

or,-9x=-18

or,x=(-18)/(-9)

or,x=2

b)y=10-9x

if,y=-26

so,-26=10-9x

or,10-9x=-26

or,-9x=-26-10

or,x=(-36)/(-9)

or,x=4

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Answer 2

Answer:

a. if y=-8,then

y=10-9x

or -8=10-9x

or 9x=10+8

or 9x=18

or x=18\9

or x=2

b. if y=-26,then

y=10-9x

or -26=10-9x

or 9x=10+26

or 9x=36

or x=36\9

or x=4