alyahmonroe39 alyahmonroe39

02-11-2020
Mathematics

contestada

HELP PLEASE!! Solve the system of equations 7x – 8y = - 7 and - 4x + 5y=1
equations.
1 by combining the
(7x -8y -7)
4x +5y = 1)
= -7
7x -8y
- 4x +5y
3 + 0 y=
-
1
try
O

Respuesta :

emmymstarr emmymstarr

03-11-2020

Answer:

(-9,-7)

Step-by-step explanation:

35x-40y=-35

-32x+40y=8

3x=-27

x=-9

-63-8y=-7

-8y=56

y=-7

Answer Link

Otras preguntas

What are the constant terms in the expression? 8m−5n+2+m−14

a rectangle has a lenghth of 2x+7 and a width of 3x+8y. Write and simplify an expression for the perimeter of that rectangle.

Mitosis is responsible for growth, repair, and maintenance in an organism because A) it occurs at a faster rate than meiosis. B) the chromosome number is reduc

8 multiplied by 9.6 equals

Despite continued efforts for peace in the Arab-Israeli conflict, why was there a continuing struggle in the occupied territories?

Name the intersection of the planes ACE and CDF

Which of the following statements regarding audience is true?

86% of what whole number is 17

compare Nat Turner and Fredrick Douglass

You purchase a car using a $20,000 loan with a 5% simple interest rate. (a) Suppose you pay the loan off after 4 years. How much interest do you pay on your loa