Well if you're wanting to use substitution, you first have to end up with one term on either side of the equation. Use the second one as it's easiest.
So: x-2y=11, so find -2y as there is a -2y in the first equation.
then that becomes -2y=11-x. then sub that into equation 1, and you get:
-x+11-x=-13, which equals to -2x+11=-13, which is -2x=-24, so therefore
x=12. then chuck the x into any of the equations to find what y equals.
hope this helps!
Answer:
1/3 of 3 hours should be 20 minutes
Answer:answer from math papa is b=−n+30
pictures is blurry please send another
Answer:
45
Step-by-step explanation:
if it has a subtraction or negative dash in front its negative.
