Solve the equation for x. answer box. -7 3 7 -3

Mathematics

1 answer:

yawa3891 [41]3 years ago

4 0

Hey there :)

3x - 5x + 4 = 10

Combine like-terms
- 2x + 4 = 10

Take 4 to the other side ( Do subtraction when you see addition )
- 2x + 4 - 4 = 10 - 4
- 2x = 6

Divide by - 2 on either side to isolate x
$\frac{-2x}{-2} = \frac{6}{-2}$
x = - 3

Your answer will be the last option

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If a graph of y=-4x +2 were changed to a graph of y=-4x+5, how would the y- intercept change?

Dmitry [639]

Answer:

So if y=-4x+2 was changed to y=-4x+5, then the y-intercept would increase by 3.

The y-intercept was (0,2) then it becomes (0,5) in the new line.

Step-by-step explanation:

The slope-intercept form a line is y=mx+b where m is the slope and the y-intercept is b.

Both of these equations given are in this form.

y=-4x+2 when compared to y=mx+b you see that m=-4 and b=2.

Since b=2 then the y-intercept is 2.

y=-4x+5 when compared to y=mx+b you see that m=-4 and b=5.