Find the value of x so that the function has the given value.

j (x) = - 4/5x+7; j (x) = - 5

Question

Mathematics

Jalen Howard

24 August, 14:19

Find the value of x so that the function has the given value.

j (x) = - 4/5x+7; j (x) = - 5

+1

Answers (1)

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Heidy Irwin · Answer 1

Sub j (x) = - 5 into the first eq.

-5 = (4/5x) + 7

Add 7 to both sides

2=4/5x

Muliply both sides times 5x

10x=4

Divide both sides by 10

X=4/10

Simplify

X=2/5

Find the value of x so that the function has the given value.j (x) = - 4/5x+7; j (x) = - 5

Find the value of x so that the function has the given value.

j (x) = - 4/5x+7; j (x) = - 5