t667790 t667790

23-01-2021
Mathematics

contestada

given a-2b=8, 4a+3b= 21; prove b= -1

please give a step by step answer

Respuesta :

libbala5590 libbala5590

23-01-2021

hope this helps!

let me know if you have any questions

Ver imagen libbala5590

Answer Link

Otras preguntas

which is equivalent to (2-5i)(-2+5i)

What is 0.234 as a percent

Is 6z-15 is greater than or less than 4z+11 solvable?

Suppose you earn $7.25 per hour working part-time for a florist. Write and solve an inequality to find how many full hours you must work to earn at least $125.

How do I convert from y = mx + b form to Ax + By + C = 0 form? The line is y = 2x - 4. Thanks. :)

how many times does 5 go into 365

Annie rappels down a cliff in 3 jumps of 6.5 feet each. Use a positive or negative number to express the change in her altitude.

what are the natural resources in south America?

Suppose you earn $7.25 per hour working part-time for a florist. Write and solve an inequality to find how many full hours you must work to earn at least $125.

Explain how you would write 7\8 as a rate per 100?