Unit 1 Lesson 2: Expressions, Formulas and Solving Equations

Simplify.  $5x-4\left(2x-7x^2\right)+3x^2$  

Simplify. $\frac{\left(2\cdot3\right)\div\left(7-2\right)}{5-4}$  

Evaluate for  $w=6,\ x=0.4,\ z=-3$  

 $z\left(x+1\right)$  

Evaluate for $w=6,\ x=0.4,\ z=-3$  

 $w-3x+z$  

Write an algebraic expression to represent the verbal expression.

The sum of 5 and three times a number

Write an algebraic expression to represent each verbal expression.

The product of the cube of a number of -6

Using the formula  $I=prt$ , find the simple interest for the following:
 $p=\text{1,800}$  
 $r=6\%$  
 $t=4\$  

Write an algebraic expression to represent each verbal expression.

Twice the sum of a number and 8

 $-14+n=-6$  Solve the equation.

Solve the equation:
 $2\left(5x+1\right)=3x+23-7x$