Advertisements
Advertisements
Question
Simplify:
`"a"−[−{−(a−overline("b"-"c"))}]`
Sum
Solution
`"a"−[−{−(a−overline("b"-"c"))}]`
= a − [− {− (a − b + c)}]
= a − [− {− a + b − c}]
= a − [+ a − b + c]
= a − a + b − c
= b − c
shaalaa.com
Concept of Substitution
Is there an error in this question or solution?
APPEARS IN
RELATED QUESTIONS
Fill in the blank, when:
x = 3, y = 6, z = 18, a = 2, b = 8, c = 32 and d = 0.
c ÷ b = ...........
Fill in the blank, when:
x = 3, y = 6, z = 18, a = 2, b = 8, c = 32 and d = 0.
d ÷ x = ..................
Evaluate:
35b – (16b + 9b)
Simplify:
x − (x − y) − (− x + y)
Simplify:
2m − (3m + 2n − 6n)
Simplify:
4x + 3 (2x − 5y)
Fill in the blank:
3m − 2n + 6 = 6 − (............)
Find the value of 3ab + 10bc – 2abc when a = 2, b = 5 and c = 8.
If x = 3, y = 2 and z = 1; find the value of yx
If P = − 12x2 – 10xy + 5y2, Q = 7x2 + 6xy + 2y2, and R = 5x2 + 2xy + 4y2 ; find P + Q + R