Each individual contributed $x
3x=$19.50
x=$6.50
Each friend contributed $6.50
Answer:
31
Step-by-step explanation:
(12)(1) + 20 - (1)
12 + 20 - 1
32 - 1
31
Greater it is equal to 62.50
2x+18+1-1 works if that's all you want
Answer:
y = - 10
Step-by-step explanation:
Given
y - 3 = - 3y - 43 ( add 3y to both sides )
4y - 3 = - 43 ( add 3 to both sides )
4y = - 40 ( divide both sides by 4 )
y = - 10
