Insert the Bracket as Indicated: 2x − Y + 2z = 2z − (....................) - Mathematics

Insert the bracket as indicated:

2x − y + 2z = 2z − (....................)

Fill in the Blanks

2x − y + 2z = 2z − (y − 2x)

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

Chapter 20 Substitution (Including Use of Brackets as Grouping Symbols)
Exercise 20 (C) | Q 2.7

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

x + y = .......

Find the value of 5x + 3y − 6z, when x = 3, y = 5 and z = 4

Find the value of 6m − 2n − 5p − 3q, when m = 20, n = 10, p = 2 and q = 9

If a = 3, b = 0, c = 2 and d = 1, find the value of a² + 2b² − 3c²

Find the value of 5x² – 3x + 2, when x = 2.

Show that the value of x³ – 8x² + 12x – 5 is zero, when x = 1.

Evaluate:

(3y + 8y) – 5y

If x = 3, y = 2 and z = 1; find the value of y² – x² + 6z²

Multiply and then evaluate:

(4x + y) and (x – 2y); when x = 2 and y = 1.

In the context of algebra, what is the primary definition of 'substitution'?