brooke1516
brooke1516 brooke1516
  • 01-04-2020
  • Mathematics
contestada

3x + y = 4
x + 2y = -2

Respuesta :

domingogarcia483 domingogarcia483
  • 01-04-2020
3x+y=4 (y=-3x+4)

Plug it in for y x+2(-3x+4)=-2
x=2

Plug in for x 2+2y=-2
y=-2

Solution: (2,-2)



Answer Link

Otras preguntas

A sample of a gas is contained in a closed rigid cylinder. According to kinetic molecular theory, what occurs when the gas inside the cylinder is heated? (1) Th
Which is an empirical formula? (1) P2 O5 (3) C2 H4(2) P4 O6 (4) C3 H6
Which formula represents copper(I) oxide? (1) CuO (3) Cu2O (2) CuO2 (4) Cu2O2
The three isomers of pentane have different (1) formula masses (2) molecular formulas (3) empirical formulas (4) structural formulas
name three criticisms that were made of the catholic church in the 1500s
Which substance can be decomposed by chemical means? (1) ammonia (3) phosphorus (2) oxygen (4) silicon
How Much Blood Does The Average Person Have In Their Body?
Nate is 10 9/12 years old. How old will he be in 2 1/12 more years?
A nuclear reaction in which two light nuclei combine to form a more massive nucleus is called (1) addition (3) fusion (2) fission (4) substitution
A substance is classified as an electrolyte because (1) it has a high melting point (2) it contains covalent bonds (3) its aqueous solution conducts an electric