1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
antiseptic1488 [7]
3 years ago
14

Solve the following system of equations: y=x+4 2x+y=13

Mathematics
2 answers:
const2013 [10]3 years ago
4 0
Substitute y from the first equation into the second:

2x+(x+4)=13
3x+4=13
3x=9
x=3.
Mazyrski [523]3 years ago
3 0
Okay, for this one is will use substitution:
y=x+4
y-x=4
2y-2x=8

-2x+2y=8
+
2x+y=13
=
3y=21
y=7
x=3 is your final answer. Hope it help!
You might be interested in
Which ratio does not belong with the other three? explain your answer
melomori [17]
Hi I am jazmin...that's what she said :)
4 0
3 years ago
Write the equation of the line graphed below in slope-intercept form (y=mx+b)?​
ioda
Y = -1/2x - 1

Tell me if you need explanation
7 0
2 years ago
So I have another math question that involves the same problem and so is 7 + 7x the same as 7x+ 7 i think it is but i'm not sure
BartSMP [9]

Answer:

it is

Step-by-step explanation:

because it addition it doesn't matter which way you put it

6 0
2 years ago
Read 2 more answers
What number is 30% of 20%
vfiekz [6]
0.06 or you can just put 6.

Basically, you have to multiply 30% x 20.

Glad I could help☺️
4 0
2 years ago
Read 2 more answers
5. Given: BCDF is a parallelogram; line AB is congruent to line BF
solong [7]
A and E are corresponding angles so A=E
3 0
2 years ago
Other questions:
  • The sides of a rectangle are a number and 4 less than that same number. The perimeter is 56. Find the dimensions of the rectangl
    9·1 answer
  • A 32-cup bottle of fabric softener costs $21.12. What is the price per quart?
    8·1 answer
  • Solve the quadratic equation. (x - 5)2 = 9 A) x = 5 or 3 B) x = 8 or 2 C) x = 3 or 2 D) x = -5 or 3 E) x = -8 or 2
    8·1 answer
  • Find the price per pound to the nearest cent . Remember 16oz = 1 lb <br> 12 oz cereal-$3.75
    9·1 answer
  • What is 3 7/10 times 7
    5·1 answer
  • A certain drug is made from only two ingredients: compound A and compound B. There are
    5·1 answer
  • EASY 6TH GRADE QUESTION MATH
    12·1 answer
  • Which expression is equivalent to : (2n - 3)?
    9·1 answer
  • La ecuación de la recta que lasa a través de los puntos P1 (2,5) y P2 (4,11) es: a) 3x+y+1=0 b)3x-y-1=0 c) 3x-y+1=0
    12·1 answer
  • Simplify 5x^2+43x-18=0
    9·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!