karirivera1503 karirivera1503

01-06-2020
Mathematics

contestada

complete the solution of the equation. find the value of y when x equals 4 -3x +9y = -57

Respuesta :

wegnerkolmp2741o wegnerkolmp2741o

01-06-2020

Answer:

y = -5

Step-by-step explanation:

-3x +9y = -57

Let x = 4

-3*4 +9y = -57

-12 +9y = -57

Add 12 to each side

-12+12 +9y = -57+12

9y = -45

Divide each side by 9

9y/9 = -45/9

y = -5

Answer Link

Otras preguntas

it is best to use____ language when creating technical documents

Which of the following words does not indicate multiplication? A times B. of C.product D. more than

What is the maximum magnification of a compound light microscope? ANSWER: 2,500x

What is Grave's disease?

Name the similar triangles. triangles CBA and FDE with angle D congruent to angle B and angle E congruent to angle A A. ΔABC ~ ΔDEF B. ΔABC ~ ΔEDF C. ΔABC ~ ΔDF

it is best to use____ language when creating technical documents

What unique physical feature, shown below, stretches almost 19,000 miles and is one of the worlds largest Savanna’s

5 MINUTE TIME LIMIT LEFT Consider the polynomial expression below.[tex]x^{3} -3x^{2} +81x-243[/tex]Rewrite the polynomial in the form (x - d)(x - e)(x + f), whe

Find the values for m and n that would make the following equation true. (7z^m) (nz^3) = -14z^7 m= ? n= ?

In the election for class president, there were two candidates, Joel and Sean. Joel got 60% of the votes, which was 38 votes more than Sean. Find the total numb