2by7 (x-9) + xby3=3 linear equation class7 question
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Answer:
[ x = 13 ]
Step-by-step explanation:
™2/7 ( x - 9 ) + x/3 = 3
{ Multiply 2/7 by (x - 9) }
2/7x - 18/7 + x/3 = 3
2/7x + x/7 = 3 + 18/7
3/7x = 21/7 + 18/7
3/7x = 39/7
3x = 39/7*7
3x = 39
x = 39/3
x = 13
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