Match the following items. am i right 1. 2x + x + 4 = -17 2 combine like terms 2. 3x + 4 = -17 3 subtraction 3. 3x = -21 4 division 4. x = -7 1 given

Yup correct :D
thrs a shorter method though

Imagine +4 flying over the = sign, and just change the sign (from + to -)
It is a lot shorter, as long as you can visualise. If for example -10 is flying over, it becomes +10

3units/ 5 feet = 60 units/ 100 feet3 units/ 5 feet = 18 units/ 30 feetthe dimensions of the scale drawing are 60 units by 18 units.hope this !