trinip2010
trinip2010
02-10-2016
Mathematics
contestada
how to solve equations
3y-2x=11
y+2x=9
Respuesta :
princegn
princegn
02-10-2016
3y-2x=11
y+2x=9
just plus them
4y = 20
y = 5
put y = 5 in y+2x=9
5 + 2x = 9
2x = 9 - 5
2x = 4
x = 2
thus x = 2
y = 5
Answer Link
Wexler
Wexler
02-10-2016
1. y=9 and x=8
2. y=-29 and x=20
Answer Link
VER TODAS LAS RESPUESTAS ( 95+ )
Otras preguntas
how to figure how many hundreds there are in 150,000
In which of the following can a change be directly observed? A. alleles B. genotypes C. phenotypes D. mutations
Solve the inequality and show work: -5(t+4) ≥ 3(t-4)
What is the square root of 52?
what type of rain contains more acid than normal rain?
3(2y+8)=60 solve for y
When a potassium atom forms an ion, it loses one electron. What is the electrical charge of the potassium ion? A. -1 B. -2 C. +2 D. +1
2 (-20)+3 [5/4 (-20)]+5 [2/5 (50]+4 (50)
What is (3-4i)^2? In complex numbers?
At the deli 100 grams of ham cost $1.50 and 100 grams of sausages cost $0.85 more than the ham. Paul buys 1.2 kilograms of ham and 600 grams of sausages. How mu
