Simple....
you have:
3x-9=7x+12
To even solve this....isolate the variable your are trying to solve for....
3x-9=7x+12
-3x -3x
-9=4x+12
-9=4x+12
-12 -12
-21=4x
Simplify.....


Thus, your answer.
Answer:
y = 0.5x - 5.5
Step-by-step explanation:
slope = 0.5, so this is the x coefficient.
y intercept = -2 - (7 x 0.5) = -5.5
Answer:
3 11/25 pints of white paint
Step-by-step explanation:
8 6/10 is the same as 43/5
if 3/5 of the total pints are blue then 2/5 are white
so multiply 43/5 x 2/5 to get 86/25 which equals 3 11/25
Answer:
y=3.5+0.90x
Step-by-step explanation:
are you trying to find the equation?? if so this is the equation