3 years ago

Y + 4x = 8 and 5x + 2y = 13

1 answer:

4 0

Y + 4x = 8
y = 8 - 4x
substitute 8 - 4x for y in the other equation.
5x + 2(8 - 4x) = 13
5x + 16 - 8x = 13
-3x = -3
x = 1
y = 8 - 4(1) = 4

You might be interested in

2x + 4y = 14<br> 3x - 4y = -39

cestrela7 [59]

Answer:

2x + 4y = 14 = x= −2y+7

3x - 4y = -39= x= 4=3 y−13

Step-by-step explanation:

5 0

3 years ago

The function of this sequence is linear. The slope of the function is 5. What number should be first in the sequence? ? , ____ ,

allsm [11]

Answer:

Step-by-step explanation:

The common difference is 5 so the first number is 7 - 5 = 2.

6 0

3 years ago

The slope of a line is – 3, and a point on the line is (4, -1).

docker41 [41]

Answer:x=6

Step-by-step explanation:

6 0

3 years ago

I need to know what 12 + 5 - (6×24) equals

Morgarella [4.7K]

Answer:

-127

Step-by-step explanation:

first multiplied the ones in parentheses

12+5-144

then you add

12+5=17

17-144=-127

7 0

3 years ago

Read 2 more answers

I need the answer!!!

Maslowich

Answer:

The first one is 12

second one is 1

third one is 23

last one 5

Step-by-step explanation:

6 0

3 years ago

Read 2 more answers