jdolan8 jdolan8
  • 02-03-2020
  • Mathematics
contestada

Solve the system below algebraically:
4x-y=20
-2x-2y=10

Respuesta :

pezgrl78 pezgrl78
  • 02-03-2020
X= 3
Y= -8

Solve the 1st equation for y.
With your new Y value, plug it into the 2nd equation (for y).

Take a look at pic.
Answer Link

Otras preguntas

Find the measure of angle C
what is one aspect of a piece of writing that can tell you about its organization when you are trying to summarize it? A. the order of its main points B.Its tit
What was the chief value of the colonies?
A student reports three trials to measure the density of an unknown metal. The percent error in these trials is given in the table. Trial Count Percent Error T
Arrange the following numbers in order from the smallest to the largest -8,4,-3,8,-5,13
Consider the life cycle of a typical frog. Where within the life cycle does fertilization take place? A) A. B) C. C) D. D) E.
Cheryl falkowski has a collection of silver spoons from all over the world. she finds that she can arrange her spoons in sets of 77 with 44 left​ over, sets of
What did da gama have that indian merchants were happy to take?
Help with arithmetic and geometric
How could you find an equation of a quadratic function with the zeroes of -3 and 1?