Answer:
23
hope it helped you!!
BTW, angle 1 + angle 2 = 180
I think it’s y = 10x + 10
First you have to canceled out the fours from both side 4x/4-12/4 so x=3 then you do the same thing to the 7x-18
4x-12.
4x/4-12/4. So x=3
The fours cancelled out
7x-18
7x/7-18/7. So x= 2 4/7
The sevens cancelled out
