Math, asked by niladripan, 1 month ago

If 10x + 2 = 3x + 9 , then the value of 7x + 5 will be –

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Answered by sachin1291998

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Answered by YourHelperAdi

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10x+2 = 3x+9

or , 10x-3x = 9-2

or 7x = 7

or x = 1

so the value of 7x +5 when x is 1

= 7(1)+5= 7+5= 12

so the value of 7x+5 = 12

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