Some one please help with: -1/2x+2=-x+7

What is the measure of angle z in this figure? enter your answer in the box. z = ° two intersection lines. all four angles formed by the intersecting lines are labeled. clockwise, the angles are labeled 43 degrees, x degrees, y degrees, and z degrees.

This is different from the first one can someone me

Find the solution set of this inequality. enter your answer in interval notation using grouping symbols. |8x-4| ≤ 12