Write one solution of 3x + 4y = 12.
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Answer:
x=0 then y=3 ... hope you undersy
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( 1 ) put y = 0 in given equation.
3x + 0= 12
x = 4
( 2 ) now put x = 2 in equation.
3 ×2 + 4y = 12
ie, 4y = 12 - 6
4y = 6
y = 3 / 2
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