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If a + b = c and a -b = d, then the valu...

If `a + b = c and a -b = d`, then the value of b is ____. (In terms of c and d)

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The correct Answer is:
`(c -d)/(2)`
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PEARSON IIT JEE FOUNDATION-LINEAR EQUATIONS AND INEQUATIONS-Very short Answer Type Questions
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  3. The solution set of ax + by + c lt 0 " if " c lt 0 is the (region tha...

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  4. Solution set for the inequation (1)/(x +1) gt 0 is

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  6. If the system of linear equations is inconsistent, then the solution s...

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  7. If (1)/(x + y) = (1)/(2) and (1)/(x -y) = (1)/(3), then x = and y =

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  8. If a + b = c and a -b = d, then the value of b is . (In terms of c and...

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  9. Every system of dependent equations is consistent. Is the converse alw...

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  10. For how many pairs of non-zero integers, x + y = 0 and x -y = 0 ?

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  11. Any line in a plane divides the plane into three disjoint parts. (True...

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  12. If x + y le 7 and x - y le 3, then x le 5. (True/False)

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  13. Boundary line for the region y le x + 4 is

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  14. Inequation that represents the following graph is

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  15. The number of solution for the simultaneous equations 3x + 4y = 12 and...

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  16. If the cost of 2 chocolates and 3 biscuits is Rs 55 and that of 4 choc...

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  18. If x gt a and x gt b (where a gt b), then the solution set of the ineq...

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  19. Common region for the inequations x le y and y le x is

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