Match the simplified expressions to an equivalent expression

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= ?

Type the correct answer in each box. spell all the words correctly, and use numerals instead of words for numbers. if necessary, use / for the fraction bar(s).

In which direction does the left side of the graph of this function point? a(x) = 3x - x2 + 4x - 2