zbsoccer15
zbsoccer15 zbsoccer15
  • 14-01-2020
  • Mathematics
contestada

solve each system by substitution

-3x-2y=13
-3x+3y=3

Respuesta :

Leora03
Leora03 Leora03
  • 14-01-2020

Answer:

x= -11, y= -10

Step-by-step explanation:

Please see attached picture for full solution.

To check answer, subst. value of x and y into eqn 1:

-3(-11) +2(-10)= 13

since the answer is 13 too, the values are correct.

Ver imagen Leora03
Answer Link

Otras preguntas

The expression −8x^3(7x^6 − 3x^5) is equivalent to: A. −56x^9 + 24x^8 B. −56x^9 − 24x^8 C. −56x^18 + 24x^15 D. −56x^18 − 24x^15 E. −32x^4
3 is 0.2 percent of what number?
John will be x in 7 years. How old was he last year? A: x + 7 B: 1 - x - 7 C: x + 8 D: x - 8
If the price of a computer was decreased from $1,000 to $750, by what percent was the price decreased?
Will Mount Vesuvius erupt again, like it did in 79 AD?
What is the value of x when 2x + 3 = 3x – 4 ? A. –7 B. -1/5 C. 1 E. 7
If n = 8 and 16 · 2^m = 4^(n – 8), then m = ? F. –4 G. –2 H. 0 J. 1 K. 8
Please explain how biotechnology can increase or decrease variation???
Find the slope: 4x - 5y = 20 A: 5/4 B: 4/5 C: -4/5 D: -5/4
Two mechanics worked on a car. The first mechanic worked for 10 hours, and the second mechanic worked for 5 hours. Together they charged a total of $725. What w