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Given the equation y= -3x + 2.5 . When y is 8.5 , what value of x makes the equation true?

Given the equation y= -3x + 2.5 . When y is 8.5 , what value of x makes the equation true?
asked 8.1k views
16 votes
Given the equation y= -3x + 2.5 . When y is 8.5 , what value of x makes the equation true?

asked
User Flexo
by
7.9k points

1 Answer

11 votes

Answer:

x = -2

Explanation:

y = -3x + 2.5

if y = 8.5 then:

8.5 = -3x + 2.5

-3x = 6

x = -2

answered
User Takinola
by
8.4k points
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