−10x + 1 + 7x = 37
-10x+7x+1=37
-3x+1= 37
Move +1 to the other side. Sign changes from +1 to -1.
-3x+1-1= 37-1
-3x=36
Divide by -3.
-3x/3= 36/-3
x= -12
Answer : x= -12
Answer:
A would be at (-2,5) if reflected across the y axis
Divide and do a notebook
Check from calculator
And afterwards consult if any problems
