B 24a-22=-4(1-6a) has no solution
        
             
        
        
        
Answer:
the simplified expression is: 6y-7x
Step-by-step explanation:
-y+7y= 6y
            -7x
            = 6y-7x
 
        
             
        
        
        
Answer:
   (x, y) = (-4, 15)
Step-by-step explanation:
The two equations have the same coefficient for y, so you can eliminate y by subtracting one equation from the other. Here the x coefficient is largest for the first equation, so it will work best to subtract the second equation.
   (3x +y) -(2x +y) = (3) -(7)
   x = -4 . . . . . . . . simplify
Now, we can find y by substituting this value for x.
   2(-4) +y = 7
   y = 7 +8 = 15 . . . . . add 8 to both sides of the equation
The solution is (x, y) = (-4, 15).
 
        
             
        
        
        
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