brianaarellano17 brianaarellano17

09-01-2019
Mathematics

contestada

Sole the system by elimination -4x+9y=9 x-3y=-6

Respuesta :

wolf1728 wolf1728

09-01-2019

Answer:

A) -4x + 9y = 9

B) x -3y = -6

We multiply B) by 3

B) 3x -9y = -18 Then add it to A)

A) -4x + 9y = 9

-x = -9

x = 9

9 -3y = -6

3y = 15

y = 5

Step-by-step explanation:

Answer Link

Otras preguntas

How is social learning theory used in a classroom

Randy wants to join a gym to lose his winter weight. Gym A has a membership fee of $39 and charges $30 per month. Gym B has a membership fee of $89 and charges

Which sentence combines these two sentences and includes a relative clause?The cashier rang up the manager's order. The cashier began working today. The cash

the multinational research collaboration now known as garnet was formed for the purpose of identifingand examining the

A system of linear equations includes the line tha is created by the equation y=x+3,graphed below,and the line through the points (3,1)and(4.3)

Which word best describes the tone of the excerpt? A. mysterious B. mocking C. frustrated D. troubled

Suppose that 18 inches of a wire cost 72 cents. At the same rate, how many inches of wire can be bought for $.56

Swift closes his essay by suggesting that the reader should accept his proposal because: a.Most poor parents would rather have been sold for food as children th

Mountain Kilimanjaro is approximately 19,000 feet high. As you go up the Mountain the air temperature decreases at a rate of about 3.6 °F for each 1000 feet. If

find the perimeter and area of this shape!