To make the equation easier so that you don't have to use fractions.
Answer:
3
Step-by-step explanation:
15x +8 =40 +13
15x + 8=53
15x=45
3
Answer:
-b/a
Step-by-step explanation:
The slopes of perpendicular lines are negative reciprocals. That means that their product is -1.
slope of line = a/b
slope of perpendicular = -b/a
Answer:
x=2
Step-by-step explanation:
Since rectangles have 90* angles at each corner, we can say the two equations in the corner equal to 90*
so,
13x+34+10x+10=90
23x+44=90
23x=46
x=2
