kadinmorgan
kadinmorgan
24-05-2018
Mathematics
contestada
y=4x+3
y=-2x-9
solve for substitution
Respuesta :
TheBreeze
TheBreeze
24-05-2018
To solve this, we multiply the second equation by -2:
y = 4x+ 3
-2y = 4x + 18
Subtract:
y = 4x + 3
-(-2y = 4x + 18)
3y = 15
y = 5
Input this:
5 = 4x + 3
4x = 2
x = 1/2
(1/2, 5)
Answer Link
VER TODAS LAS RESPUESTAS ( 19+ )
Otras preguntas
Help please thanks.......
what makes patrol maps different
How do algae, cyanobacteria, and plants produce their own food?
Gains in __________ contribute to a child's ability to play games with rules.
Write words to match the expression 3+(4•12)
what biome in north America has the highest biodiversity
10 friends go out to lunch and order 9 large pizzas. The friends divide the pizzas evenly. Find how much pizza each friend got as a decimal
Bill, bob, and barry are hired to paint signs. in 8 hours bill can paint 1 sign, bob can paint 2 signs, and barry can paint 1 and 1 / 3 signs. they all come to
Which elements together make up seven percent of the earths crust? calcium and iron calcium and sodium potassium and magnesium potassium and sodium
If active transport establishes a concentration gradient with the use of atp, then the concentration gradient can be looked at as ________.
