Answer:
be rewritten as a square of a sum
Step-by-step explanation:
7+4y=7-5y+54
Collecting like terms
4y + 5y = 7 - 7 + 54
9y = 54
y = 54/9
y = 6
x=50
3x+30=180
3x=150
1. 1/4
2. 7 1/5
3. 2 1/2
