How do you solve the following linear system: #-4x - 3y = -1 , 3x + 2y = 9 #?

1 Answer
AltairSafir
Mar 26, 2018

There are many way to solve a linear system.

Explanation:

One possible way:
a) #-4x-3y=-1# | #*2#
b) #3x+2y=9# |#*3#
#-8x-6y=-2#
#9x+6y=27#
sub both equation: a)+b): #x(-8+9)+y(-6+6)=25#
#x=25#, #y=-33#
You can solve linear system with matrix.

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