Casio fx-9750G PLUS - Manual (Page 129)

101
7-2 Linear Equations with Two to Six Unknowns
You can use the procedures described here to solve linear equations with
unknowns that match the following formats:
Two unknowns a
1
x + b
1
y = c
1
a
2
x + b
2
y = c
2
Six unknowns a
1
x + b
1
y + c
1
z + d
1
t + e
1
u + f
1
v = g
1
a
2
x + b
2
y + c
2
z + d
2
t + e
2
u + f
2
v = g
2
a
3
x + b
3
y + c
3
z + d
3
t + e
3
u + f
3
v = g
3
a
4
x + b
4
y + c
4
z + d
4
t + e
4
u + f
4
v = g
4
a
5
x + b
5
y + c
5
z + d
5
t + e
5
u + f
5
v = g
5
a
6
x + b
6
y + c
6
z + d
6
t + e
6
u + f
6
v = g
6
• You can also solve linear equations with three, four, and five unknowns. In
each case, the format is similar to those shown above.
k k k k k Specifying the Number of Unknowns
While in the Equation Mode, press 1 (SIML) and then specify the number of
unknowns.
• { 2}/{3}/{4}/{5}/{6} ... linear equation with {2}/{3}/{4}/{5}/{6} unknowns