Question 1

Simplify  $(5a - 15b) \div(-5)$

Accepted Answer

$3b-a$

Answer

$a+3b$

Answer

$a-3b$

Answer

$-a-3b$

Question 2

Simplify $(4a - 6b) 	imes \frac{1}{2}$

Accepted Answer

$2a-3b$

Answer

$2a+b$

Answer

$2a+3b$

Answer

$a-3b$

Question 3

Simplify $3(5a-b) - 2(2a-2b) $

Accepted Answer

$11a+b$

Answer

$11a-b$

Answer

$a+11b$

Answer

$a-b$

Question 4

Simplify $6(4x+y-2)-7(x-2y+1)$

Accepted Answer

$17x+20y-19$

Answer

$x+2y-19$

Answer

$7x+20y-9$

Answer

$17x-20y+19$

Question 5

Simplify $\frac{1}{3}x + \frac{1}{5}(-x+2y)$

Accepted Answer

$\frac{2x+6y}{15}$

Answer

$\frac{2x-6y}{15}$

Answer

$\frac{2x}{5}+\frac{3y}{15}$

Answer

$\frac{2x}{15}+\frac{3y}{5}$

Question 6

Simplify $6x - [2y-(x-5y)]$

Accepted Answer

$7x-7y$

Answer

$6x-7y$

Answer

$7x+7y$

Answer

$7x-6y$

Question 7

Simplify $x^2+2y^2 - [3x^2 - (5x^2 - 8y^2)]$

Accepted Answer

$3x^2-3y^2$

Answer

$3x^2+3y^2$

Answer

$x^2-3y^2$

Answer

$3x^2-y^2$

Question 8

Simplify $(\frac{1}{4}x - \frac{1}{2}y)-[\frac{1}{3}x - (x+\frac{2}{5}y)]$

Accepted Answer

$\frac{11}{12}x - \frac{1}{10}y $

Answer

$\frac{11}{12}- \frac{1}{10}y $

Answer

$\frac{11x}{12}- \frac{1}{10} $

Answer

$\frac{11}{12x}- \frac{y}{10} $

Question 9

Simplify $3(2a -3b)+2(4a+7b)$

Accepted Answer

$14a+5b$

Answer

$14a-b$

Answer

$14a-5b$

Answer

$a+5b$

Question 10

Simplify $\frac{1}{3}(2x-9y) + \frac{2}{5}(-x-15y)$

Accepted Answer

$\frac{4}{15}x-9y$

Answer

$\frac{4x}{5}-9y$

Answer

$\frac{4x-135}{15}$

Answer

$\frac{4x}{15}y$

Question 11

Simplify $\frac{2x+3y}{3} - \frac{x-y}{2}$

Accepted Answer

$\frac{x+9y}{6}$

Answer

$\frac{x+9y}{12}$

Answer

$\frac{x+y}{6}$

Answer

$\frac{9x+y}{6}$

Question 12

Simplify $\frac{2}{3}(x-y) - \frac{8x-6y}{5}$

Accepted Answer

$-\frac{14}{15}x+\frac{8}{15}y$

Answer

$\frac{14}{15}x+\frac{8}{15}y$

Answer

$-\frac{14}{15}x-\frac{8}{15}y$

Answer

$\frac{14}{15}x-\frac{8}{15}y$

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