You can add numbers mentally if there are zero's behind them.
Well you can solve two step equations by multiplying or adding or subtracting or dividing by the number and put a n on the answer because there is only one n in equatioN see the solve the modle
Answer:
Step by step explanation:
1.PY=LA
2.NO=OS.
Answer:
three-forth minus one-fifth times four
Step-by-step explanation: