heatherhughes108
heatherhughes108 heatherhughes108
  • 05-02-2017
  • Mathematics
contestada

Solving a linear equation using the substitution method.

2y-x=3
y-x=4

Respuesta :

apologiabiology
apologiabiology apologiabiology
  • 05-02-2017
solve for 1 variable
solve for y in 2nd
y-x=4
add x
y=4+x
su that for y in other

2(4+x)-x=3
8+2x-x=3
8+x=3
minus 8
x=-5
sub back
y=x+4
y=-5+4
y=-1


(x,y)
(-5,-1)
Answer Link

Otras preguntas

why do polar bears have sharp claws ?
The historian is more concerned with the accuracy of the data than the interpretation of it. true or flase?
Use breaking apart to find the product in multiplication 7x3
what is 7 5/9 minus 3/ 2/15
The Emancipation Proclamation declared slaves in which of the following areas “forever free?” (A) All areas of the United States (B) All areas of the Confederac
find the difference between 12.34 and 10.778. round the answer to the nearest tenths place
order from least to greatest 2.614; 2.146; 2.46; 2.164
Glaciers pick up large rocks and carry them away. This is called _____.
Please help me out, asap! :-) Thank You very much... A particle accelerates from rest with an acceleration of 3m/s^2 to a speed V. It continues at this speed fo
what two properties does all matter share?