laylahamp
laylahamp laylahamp
  • 16-01-2020
  • Mathematics
contestada

Solve
2a-5b = -19
3a+5b=9

Solve 2a5b 19 3a5b9 class=

Respuesta :

areebbutt610
areebbutt610 areebbutt610
  • 16-01-2020

Answer:a=-2

b=3

Step-by-step explanation:

2a-5b=-19

3a+5b=9

Adding them both equals

5a=-10

=>a=-2

Put in any equation

2a-5b=-19

2 (-2)-5b=-19

-4-5b=-19

-5b=-19+4

-5b=-15

=>b=3

Answer Link
alexjmg2004 alexjmg2004
  • 02-12-2020

Answer:a=-2

b=3

Step-by-step explanation:

2a-5b=-19

3a+5b=9

Adding them both equals

5a=-10

=>a=-2

Put in any equation

2a-5b=-19

2 (-2)-5b=-19

-4-5b=-19

-5b=-19+4

-5b=-15

=>b=3

Answer Link

Otras preguntas

Write a word phrase for this algebraic expression :5h + 3k
Factor 4x squared-35x+4
Can someone please help Bigmamma explain the question below to my daughter. I grew up on basic Math. Please! Question- Tasha believes that she can rewrite the d
9×6-5(10-3) what is this answer
Write 2.275 as a mixed number
On Sunday, a local hamburger shop sold a combined total of 540 hamburgers and cheeseburgers. The number of cheeseburgers sold was three times the number of hamb
What was the Berlin Wall?
what times 3 gives you 1,000
Find four consecutive odd integers whose sum is 56
how can something be considered abiotic and biotic