The sum of 14 and a number is 17
14+x=17
A number increased by 10 is 114
x+10=114
The difference between a number and 12 is 20
x-12=20
Ten time the sum of half a number and 6 is 8
10(0.5x+6)=8
Half a number plus 4 is the same as that number subtract 7
0.5x+4=x-7
If a number is increased by 50%, the result is the same as that number plus 9
1.5x=x+9
Tanya wants to raise $175 for a school fundraiser. She has raised $120. How much more does she need to reach her goal?
175-x=120
120+x=175
Hector is visiting a cousin who lives 350 miles away. He has driven 90 miles. How many more miles does he need to drive to reach his cousin's home?
350-90=x
90+x=350
The length of a rectangle is twice its width. The perimeter of the rectangle is 126 feet.
w+w+2w+2w=126
L+L+0.5L+0.5L=126