SebastianMonroy72 SebastianMonroy72
  • 23-11-2018
  • Mathematics
contestada

consider the following systems of equations 2x+3y=45 and x+y=10 what is the x value of the solution for this system

Respuesta :

hannamh2003
hannamh2003 hannamh2003
  • 23-11-2018

x=-15 i think this is right i may be wrong though

Answer Link
Аноним Аноним
  • 23-11-2018

2x + 3y = 45  ............................(1)

x + y  =  10    Multiply by -3:-

-3x - 3y = -30  ..........................(2)

Add equations :- (1) + (2) :-

-x = 15

x = -15  (answer)

Answer Link

Otras preguntas

which of the following is not a charecteristic of anaerobic species 1 they do not have mitochondria 2they make ATP from glucose 3they live in oxygen rich setti
Find the value of A?
Divisibility rules for 100
Phil consumed 1,200 calories at lunch. He has a goal of burning at least 5% of those calories by walking on the treadmill. If walking on the treadmill burns 200
The center of life in a medieval community was the
How do chemists identify elements & compounds?
The Krebs cycle is also known as the
What action does thomas paine want his readers to take after reading the crisis? a) he wants them to fight for liberty b) he wants them to sue for peace c) he w
What landforms along the coast were important to both the British and the Americans? Why is shipping important to the economy of a place?
Bruce has a bottle that contains 60% of lemon juice and the rest water. The bottle has 1 liter of water. PART A: Write an equation in one variable that can be u