30+x=42 I think because it's has to equal 42 and he already has 30
Answer:
1) 91
Step-by-step explanation:
28 + 63 = 91
Answer:
w<-84
Step-by-step explanation:
solved the equation
Add 5 to 5, or multiple 5 by 2.
We can factor <span>4x^2-25 into (2x +5) * (2x -5) and
dividing by (2x -5)
yields (2x +5)
That neatened up pretty nicely.</span>