3 years ago

Given: y = 3x - 4. For what value of x does y equal zero?

2 answers:

7 0

Y = 3x - 4

Set y as 0 to find what x is when y is 0.
0 = 3x - 4

Add 4 to both sides.
4 = 3x

Divide both sides by 3.
1.3333 = x

x = 1.3333 when y = 0.

Check your work.
0 = (3)1.3333 - 4
0 = 4 - 4
0 = 0
This is correct.

So the answer is x is 1.3333, which is 4/3 (four thirds), when y is 0.

Greeley [361]3 years ago

4 0

X = 4/3 because set y=0.
so 0=3x-4. add 4 to both sides so
4=3x. divide both sides by. 3 and you get x=4/3.

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