X+x+20+2x=180
4x+20=180
4x=160
x=40
Answer:
the answer is c because it can be either greatly increased or decreased
I don't know for sure I'm going to ace grade next year but I know that you you need to put the coefficients with the same variable together and the variable next to the coefficients and multiply or add or divide or subtract them and you get your answer and this is just 7th grade math I'm relying on
Answer:
For number 3 the answer is -4
121.5
121.5 rounded to nearest whole number is 122 --> 121.49 rounded to the nearest whole number is 121
