angel031
angel031
25-03-2017
Mathematics
contestada
how would you solve this problem?
Respuesta :
bcalle
bcalle
25-03-2017
Subtract the two equations.
-y = -7
y = 7
Plug 7 back in to either equation and solve for x.
x + 3(7) = 18
x + 21 = 18
Subtract 21 from both sides
x = -3
(-3,7)
CHECK
-3 + 3(7) = 18
-3 + 4(7) = 25
Answer Link
VER TODAS LAS RESPUESTAS ( 75+ )
Otras preguntas
Which vocabulary word correctly completes this sentence? The winds and sea rose in ____ around the ship. A. reverence B. sojourn C. expiation D. tumult
Read the paragraph. (1) Owning a pet is popular in the United States. (2) For example, an estimated 83 million people own dogs and about 95 million own cats. (
When solving the equation 2/3 b 5 = 7, you should first ? from both sides. Then you should multiply both sides by the ? of ?. Your answer
This amendment to the U.S. Constitution allowed for the direct election of U.S. Senators
50 points!!!!! What role do impact craters play on Venus? Which planet is Earth most like? In what ways is this planet like Earth?
Tori takes his dog to be groomed. The fee to groom the dog is $75 plus 6.75% tax. Is 80$ enough to pay for the service?
cheese sticks that were previously priced at 5 for $1 are now 4 for $1 find each percent of change and show your work
0.126 rounded to the nearest hundreath =
What do meteorologists do?
Most of the Southern United States was explored by the
