Solve the following systems by elimination. You must show work. 5x + y = 35
−5x + 5y = −5

One-third of the people from country a claim that they are from country b, and the rest admit they are from country a. one-fourth of the people from country claim that they are from country a, and the rest admit they are from country b. in a combined census of the two countries, one-half of the total claimed to be from a. what is the ratio of the populations of country a to that of country b.

Measures of the angle of r, 31 s (x+4) t (3x+9)

Will gve pints stars and brainliest