3(2x+4)=-6 6x+12=-6
- 12. -12
6x = -18
รท6. รท6
x= -3
-3
Step-by-step explanation:
3(2x+4)= -6
6x+12= -6
6x= -18
-2
7 - 9 = -2
reversed:
-2 + 9 = 7
trapezoid
step-by-step explanation:
first i plotted all my points on a grid graph
i made sure all of them were in the correct quadrant
then i saw it was a trapezoid or a quadrilateral