Answer:
6x = 4
Step-by-step explanation:
4x-3=2x+7
group like terms:
4x +2x = -3+7
solve:
20% off...and she saves $13
so 20% of what number is 13
0.20x = 13
x = 13/0.20
x = 65 <== original price
y=1800+175x
Indeed