Insert the Bracket as Indicated: X − 2y = − (...................)

Insert the bracket as indicated:

x − 2y = − (...................)

रिक्त स्थान भरें

x − 2y = − (2y − x)

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अध्याय 20: Substitution (Including Use of Brackets as Grouping Symbols) - Exercise 20 (C)

अध्याय 20 Substitution (Including Use of Brackets as Grouping Symbols)
Exercise 20 (C) | Q 2.1

Fill in the blank, when:
x = 3, y = 6, z = 18, a = 2, b = 8, c = 32 and d = 0.

c ÷ b = ...........

Find the value of 4pq × 2r, when p = 5, q = 3 and r = 1/2

If a = 3, b = 0, c = 2 and d = 1, find the value of 3a + 2b − 6c + 4d

If a = 3, b = 0, c = 2 and d = 1, find the value of 6a − 3b − 4c − 2d

If x = 2, y = 5 and z = 4, find the value of the following:

`"xz"/"yz"`

Simplify:

(a + b) − (c + d) − (e − f)

Fill in the blank:

a + b − c + d = a + (...............)

If P = − 12x² – 10xy + 5y², Q = 7x² + 6xy + 2y², and R = 5x² + 2xy + 4y²; find P – Q

If P = − 12x² – 10xy + 5y², Q = 7x² + 6xy + 2y², and R = 5x² + 2xy + 4y²; find P – Q + R

Evaluate (2 + x) × y when x = 3, y = 4: