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

Some flowers become _______ that contain seeds. a. Nectar b. Seeds c. Trees d. Fruit

A right angle has a greater measure than a(n) blank angle and a lesser measure than a(n) blank angle

Development is best defined as a. individual differences in human behavior. b. systematic unfolding of genetic potential. c. systematic changes and continuities

Area of a Circle (PLEASE HELP)

Please help with math (35 points) Question 1 Answer choices. 76° 70° 72° 79° 82° Question 2 Answer choices. x = 7 x = 8 x = 10 x = 9 x = 12

1) 32% de 1400 2) 2% de 4800 3) 77% de 1500

can ubguys help me to answer it

what is the organ system of trees called

The Afrikaner population of Dutch settlers in South Africa is descended mainly from a few colonists. Today, the Afrikaner population has an unusually high frequ

If B=w +9w- and A=3- 10w, find an expression that equals B - A in standard form.