Answer:
the answer is a your welcome
Answer:
x = 2
Step-by-step explanation:
2(3x + 4) = 4x + 12
6x + 8 = 4x + 12
2x + 8 = 12
2x = 4
x = 2
Answer:
30
Step-by-step explanation:
Answer:
<em>3. x = 8</em>
<em>4. lines r and s</em>
Step-by-step explanation:
3.
The angles shown are same side interior angles, so they are supplementary. Their measures add to 180 deg.
5x + 10 + 130 = 180
5x + 140 = 180
5x = 40
x = 8
4.
Lines r and s are cut by a transversal, line l. Angles 3 and 6 are alternate interior angles. Lines r and s are parallel.