How do you solve the following system?: #3x+3y=-21 , 4x-3y=15 #
1 Answer
Jun 4, 2016
Explanation:
use the addition/elimination method to solve for x.
3x + 4x = 7x, 3y - 3y = 0 and -21 + 15 = -6
sub in and test
multiply everything by 7 to eliminate the fraction
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multiply everything by 7 to eliminate the fraction