if 7, - 3. 12, - 0.8, 0.8, - 1/10, - 2. represents elevations in meters, which is farthest away from sea level

What does x = in this equation x+3+2x=x+5

Haruka hiked several kilometers in the morning. she hiked only 66 kilometers in the afternoon, which was 25% less than she had hiked in the morning. how many kilometers did haruka hike in all?

Type the correct answer in the box. consider the system of linear equations below. rewrite one of the two equations above in the form ax + by = c, where a, b, and c are constants, so that the sum of the new equation and the unchanged equation from the original system results in an equation in one variable.