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OpenStudy (anonymous):
find the solution 3x+3y=2 x-3y=2 find the substitution
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OpenStudy (anonymous):
add both eqn, 4x = 4, so x = 1
OpenStudy (anonymous):
sub x = 1 in eqn x - 3y = 2, y = -1/3
OpenStudy (anonymous):
I think he wants it done by substitution method...
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