4 years ago

4x+12=-7y -y+12=4x PLS HELP!!!! Addition/ Elimination method

1 answer:

3 0

4×+7y=-12 __ -4x-y=-12 ________ 0x+6y=-24 , so you eleminated by it self 6y/6=-24/6 , you get : y=-4 and then you plug in 4x+7(-4)=-12 , that's your answer 4x-28 =-12 , you divided in both side 4x=-12+28 , 4x=16 , and then x=16/4 =4 , so x=4

You might be interested in

Solve the right triangle.<br> Round your answers to the nearest tenth.

katen-ka-za [31]

Answer: A= 42 degrees

Step-by-step explanation:

A= 180-90-48=42 (degrees)

8 0

2 years ago

Read 2 more answers

Which is the most appropriate to describe a quantity decreasing at a steady rate

Elis [28]

Which is the most appropriate to describe a quantity decreasing at a steady rate?

With a linear equation.

7 0

3 years ago

Which equation represents exponential decay?

timama [110]

Answer:

i would say A) But what you gotta do is look up the word of exponential decay and whatever it says will help you with The answer

8 0

3 years ago

Read 2 more answers

Using first principle find the derivative of y=3(2x+4)^2

vfiekz [6]

Answer:

fhgfcbhfftikjg_-+64-+--_-+6-&+

Step-by-step explanation:

5+-"_-&&76$&+655+65-+65&-5_

3 0

3 years ago

Joal had 5 peices of beef. He ate 3/12 of the total beef. how much beef does he have left?

IrinaVladis [17]

Answer:

5/4

Step-by-step explanation:

5*3/12=5*1/4=5/4

3 0

3 years ago