<span>2x+3y=7
x-y=1
</span>2x+3y=7
x=1+y
2*(1+y)+3y=7
x=1+y
2+2y+3y=7
x=1+y
5y=5 |(:5)
x=1+y
y=1
x=2
CHECK:
2x+3y=7
x-y=1
2*2 + 3*1 = 7
x-y = 1
2-1 = 1
Answer:
w ≥ 23
Step-by-step explanation:
Add 3 to both sides of this inequality, obtaining:
w ≥ 23. In other words, w must be 23 or larger. Symbolically: [23, infinity)
Between 0 and 1 because it goes 0, 1/10, 2/10, and so on and so forth till 1