First Simplify addition and subtraction expressions: combining like terms. ...
Second Read and write an algebraic expression containing a variable. ...
Third Write word problems as algebraic expressions. ...
Fourth Read and write algebraic expressions using parentheses. ...
Last Evaluate one-step algebraic expressions by substitution.
Answer:
B
Step-by-step explanation:
first make each equation 'y='.
then if you times each x value by each other it has to equal '-1'.
so for B, itll be y=1/3x-11/3 and y=-3x+23.
1/3 x -3 = -1
285=45x+60 because 285 stands alone and its you total. 45x is the its there with the variable x because the it says several
234 divided by 24 =9.75
390 divided by 40 = 9.75
9.75x 10 = 97.50