Literal Equations

Literal Equations

Equations with multiple variables

Multiple Choice

A-B = C

(solve for A)

• A = C - B

• A = C + B

• A - C = B

• B = A - C

Solve for r

• rt means r times t (multiplication)

• Opposite (inverse operation) is division

• Divide both sides by t

Multiple Choice

 $g\ =\ 6x\ \ \ solve\ for\ x$  

•  $x\ =\ \frac{g}{6\ }$  

•  $x\ =\ \frac{6}{g}$  

•  $x\ =\ g+6$  

•  $x\ =\ g-6$  

Open Ended

How do you think I could get y by itself?

Getting y by itself

• kx go together so they are one term

• kx is being added

• The opposite of addition is subtraction

• Subtract kx from both sides

Open Ended

What is the first step to get x by itself?

Multiple Choice

How can we get x by itself?

• Add k

• Subtract k

• Multiply by k

• Divide by k

Multiple Choice

2h = w-3p

(solve for p)

• p = (2h - w) / -3

• p = (2h - w) / 3

• p = -6hw

• p = -6h - 3w

Multiple Choice

Solve for v

C = xv + x

• (C-x)/x = v

• (C+x)/x = v

• (-C-x)/x = v

• (Cx)/x = v

Multiple Choice

ax + c = R
(solve for x) 

• ax = R + c
• ax = R - c
• x = a(R-c)
• x = (R-c) / a 

Equations with Parentheses - Solve for h

•  $2\pi R$  is together so it is one term
  

• ( ) means multiplication

• Opposite of multiplication is division

• Divide both sides by  $2\pi R$  

Multiple Choice

What is the next step t get h by itself?

• Add R

• Subtract R

• Multiply by R

• Divide by R

Multiple Choice

Solve for n

• A

• B

• C

• D