Anuhea has horses and ducks on her farm. There is a total of 15 animals. She counts a total of 36 animal legs.
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Answer:
all values stand for 3x+(-5)=19
- 3x-5=19=> 3x=24=> <u>x=8</u>.
Three step requires another step, so it is difficult than two step process.
no, their is no limit to the number of steps it take to solve an equation.
Every number can be described as a sum/difference of two or three numbers.