(2x-5y) + (x+y)
= (2x+x) + (-5y+y)
= 3x + (-4y)
= 3x-4y
So option A is the correct one.
Answer:
98
Step-by-step explanation:
So we have the expression:
And we want to evaluate it when x is 3 and y is 8.
So, substitute:
Multiply:
Add:
And we're done!
7-3y=22
-7 -7
-3y=15
Divide by -3. y=-5
Answer:
Fraction Form:
Decimal Form: 0.4583
Step-by-step explanation:
Apply the fraction rule:
Least Common Multiple (LCM) of 12 and 8: 24
Apply the fraction rule: