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2 years ago

Solve this equation. Enter your answer in the box. 75 – 3.5y – 4y = 4y + 6

Mathematics

2 answers:

Wewaii [24]2 years ago

5 0

y=6

Step-by-step explanation:

$75 - 3.5y - 4y = 4y + 6$

Collect like terms and simplify

$- 3.5y + 4y - 4y = 6 - 75 \\ - 11.5y = - 69$

Divide both sides of the equation by-3.5

$\frac{ - 11.5y}{ -11.5} = \frac{ - 69}{ - 11.5}$

Simplify

$y = 6$

Elodia [21]2 years ago

4 0

Answer:

y = 6

Step-by-step explanation:

Add like terms: 75 - 7.5y = 4y +6

subtract 6 from both sides: 69 - 7.5y = 4y

add 7.5y to both sides: 69 = 11.5y

divide both sides by 11.5: 6 = y

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1 year ago

For which discriminant is the graph possible b2-4ac=0 b2-4ac=-1 b2-4ac=4

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Answer:

The graph is possible for $b^2-4ac=4$

Step-by-step explanation:

we know that

The discriminant of a quadratic equation of the form

$ax^{2} +bx+c=0$

is equal to

$D=b^2-4ac$

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If D<0 the quadratic equation has no real solution (complex solutions)

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