Literal Equations Notes
Solving literal equations
Literal equations are just equations with more than one
variable. For example: 2x + 3y = 16
Solve for y in terms of x.
1. 2x + y = 18
2. 4x-y = -9
J ..... - ..... -
^r
3. 5x + 3y = 25
-5V
-S"V
-(
4. 7x-5y = 45
3
5. 6x + 3y-18-0
3
-i
3
U ^ -,5X -f k
-s-
6.
-
Solve for x in terms of y
7. 10x-20y = 40
8. 4x-6y = 20
+2-0
9. 6x + 2y = 24
6,
10. 8x-16y + 2 4 - 0
^
?XT ^
Solve for the indicated variable.
ll5A=-Xy
2
= y
forX
12. D = rt
for r
13. P = 21 + 2w forw
14. R = m + n + p
-W
-/A
P-3JL -
-e
/
6/5
=
6
^
for n
fora!
16. R =
G - 2 4 forG
,b
^ fl.,
G
s
17. R =
N
18. A = B - C
-/? "^
for T
M * &~
T
A//1
H
&, =
-I
-IT
-/v^4-6
(9<L
{3-A//2-^T
A:
-/
-A
-/
"'Or
i
-/} + & - C^
W-/f-c_
forC
17. P =
r +t L
lor r
1
18. e = mc2 for m
e.
* r-f-6
--t -t
o
JLP-t - r
19. 7A
forB
20."X = '-Yz
3
VA = 36 - I3S
Y
3
4-
y
forz