I got 35 hours. You can solve by doing 10x+125=7x+230.
2(-4y)+7y=3
-8y+7y=3
-y=3
y=-3
x=-4y=12
I can’t tell what i’m solving for? factor? graph? slope?
X= original $
Original $ - % of original $= total $
x - 15%x= $22.10
x- 0.15= 22.10
Combine like terms
0.85x= 22.10
Divide both sides by 0.85
x= $26 original price
Hope this helps! :)
