Miatta
Miatta
17-03-2020
Mathematics
contestada
Use substitution to it
7) 4x – 2y=-22
-x+y=3
Respuesta :
laura1059
laura1059
17-03-2020
Rearrange -x+y = 3 to y = x+3
Then substitute into the first equation.
4x - 2(x+3)= -22
4x - 2x - 6 = -22
2x -6 = -22
2x = -16
x = -8
Then I put this into y = x+3
y = -8 + 3
y = -5
Answer Link
VER TODAS LAS RESPUESTAS ( 45+ )
Otras preguntas
Mario recently earned his Ph.D. in biochemistry and has been asked to join a lab at a prestigious university. After a month on the job, he remarked to a graduat
The original cost of an inventory item is above the replacement cost and the net realizable value. The replacement cost is below the net realizable value less t
help plz im so dumb math
What is the explicit formula for this sequence? -15, -18, -21, -24,__?
Can someone tell me what side b is? Thank youuu
how to do this question plz
4. What is the molar concentration and grams/Liter of a NaOH solution if 86 ml are titrated to an endpoint by 375 ml of a solution of HCl that is .0175 M? 4. g/
HELP ASAP BRAINLIEST AND THX!
Which item describes the function of an eyewitness account?
Consider the following. x = 6 sin y , 0 ≤ y ≤ π, x = 0; about y = 4 (a) Set up an integral for the volume V of the solid obtained by rotating the region bounde
