lesson: linear equations in one variable
please solve this problems 7, 8,9,10,11,12, urgently
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Answered by
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7. consecutive multiples are x, x+9, x+18
x+x+9+x+18=999
=3x +27=999
= 3x =999-27=972
= X =972/3=324.(ans)
x+x+9+x+18=999
=3x +27=999
= 3x =999-27=972
= X =972/3=324.(ans)
other 2 are 333 & 342
Answered by
2
Answer 7:-
Let the first no. be= x
the second no. is = x+9
the third no. = x+18
The total sum = 999
x + x + 9 + x + 18 = 999
3x + 27 = 999
3x = 999 - 27
3x = 972
x = 972/3
x = 324
the first no. is = 324
the second no. is = 333
the third no. is = 342
Let the first no. be= x
the second no. is = x+9
the third no. = x+18
The total sum = 999
x + x + 9 + x + 18 = 999
3x + 27 = 999
3x = 999 - 27
3x = 972
x = 972/3
x = 324
the first no. is = 324
the second no. is = 333
the third no. is = 342
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