Rewrite the equation in slope intercept form 7x + 9y = 9

y = -7/9 x +1

Step-by-step explanation:

7x + 9y = 9

The slope intercept form is y = mx+b  where m is the slope and b is the y intercept

Subtract 7x from each side

7x -7x+ 9y =-7x+ 9

9y = -7x+9

Divide each side by 9

9y/9 = -7/9 x +9/9

y = -7/9 x +1

The  slope is -7/9 and the y intercept is 1

Step-by-step explanation:

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the equation for this situation is y=122+45. to solve the equation you would add 45 and 122 to get a total of 167lbs. in conclusion, grace's weight eight weeks ago was 167lbs.