24mattieabernathy 24mattieabernathy
  • 25-03-2020
  • Mathematics
contestada

How do you solve
7x=-35
-8x+9y=4

Respuesta :

fayemioluwatomisin
fayemioluwatomisin fayemioluwatomisin
  • 26-03-2020

Answer:x=-5 and y=-4

Step-by-step explanation:

7x=-35

-8x+9y=4

To get x

Divide equation one by 7

7x/7=-35/7

x=-5

Substitute for x in equation ii

-8(-5)+9y=4

40+9y=4

9y=4-40

9y=-36

y=-4

Answer Link

Otras preguntas

how to find the magnitude of a sum of 2 vectors.
4.8/2z+15=0.2/5 Plz help I am only 8
which of the following expressions is equal to -3x^2-12(complex solutions and imaginary numbers)​
4- If the length of the pendulum 28 cm and the mass of the bullet (projectile) is 70 g, and the mass of the block 240 g, and the maximum angle reached is ϴ = 44
Need help with lcm (Least common multiple)​
PLZ HELP!! Will mark brainliest !!! Idk how to do this :(( could u answer Part A and B? Part A is pictured Part B is...tan θ = 12/5 and sin θ<0
Rheumatoid arthritis (RA) usually occurs in the larger joints first. O False True
Can someone help me (look at the image above) please do not guess nor answer if you dont know :/
Which of the following lines correctly defines a String variable A. String s = aplus; B. s = "aplus"; C. String s = "aplus"; D. String = "aplus"; E. String;
Pls help this is a test and I can’t go back