55+(x+25)=180
55+x+25=180
25+55+x=180
80+x=180
x=180-80
x=100
Answer:
7
Step-by-step explanation:
The following equation can be derived from the question
Let x = unknown number
5 + 2x = 3x - 2
collect like terms
5 + 2 = 3x - 2x
x = 7
Try y=-2x-3 (I think that should be it)
Answer:
find the area if the sector,then the area of the triangle.After that, Subtract the area of the triangle from the area of the sector
