Answer:
x=3 y=-1
Step-by-step explanation:
3x+2y=7
x-y=4
If you treat multiplication as repeated a<span>ddition, then y</span>es, Juan is correct. Only equal groups can be multiplied.
The expression 0.15(x-350) would be the proper equation.
9514 1404 393
Answer:
x = 6
Step-by-step explanation:
You can actually work out the answer yourself.
The two angles shown have the total measure 168°, so the unmarked one is ...
168° -100° = 68°
That is ∠WXZ, so we know ...
68° = (5x +38)°
30 = 5x . . . . . . . . . . divide by °, subtract 38
6 = x . . . . . . . . . . . . .divide by 5