Evaluate -9 - 13 + 2 + 13

Which of the following would represent the sum of 3 consecutive integers if x is the first integer?

1. what is the measure of ∠abc? what is the measure of ∠abd?

Isabel graphed the following system of equations. 2x – y = 6 y = -3x + 4 she came up with the solution (2,-2). what were the 3 steps she did to get that solution? (make sure they are in the correct order)