which terms in the expression are like terms?
1/2a+(-3a)-3b-0.7a
choose all answers that are correct.
a. 1/2a
b. -3a
c. 3b
d. -0.7a
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3x + 4y = 5 x- 3y = -7 solve by substitution

Dean and karlene get paid to write songs. dean is paid a one-time fee of $20 plus $80 per day. karlene is paid a one-time fee of $25 plus $100 per day. write an expression to represent how much a producer will pay to hire both to work the same number of days on a song.

Can some one explain how to slove specifically, what is the value of x? 0.9(x+1.4)-2.3+0.1x=1.6 enter the answer as a decimal in the box. x= ?