pls solve it i will mark it as brainliest !!!
if 3a + 4b +5c = 44 and 5a + 4b + 3c = 36 then a + b + c =?
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3a +4b + 5c = 44 ---(1)
5a + 4b +3c = 36 ---(2)
by adding equation (1) and (2) ,we get
8a + 8b + 8c = 80
8 ( a + b + c ) = 80
a + b + c = 80 / 8 = 10
a + b + c = 10
◆hope it helps◆
5a + 4b +3c = 36 ---(2)
by adding equation (1) and (2) ,we get
8a + 8b + 8c = 80
8 ( a + b + c ) = 80
a + b + c = 80 / 8 = 10
a + b + c = 10
◆hope it helps◆
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