algebraic expression and equation

a - y + 3a

simplify above algebraic expression

• 4a - y

• 8a + y

• 2a - y

• 7y

7x + 6 - ( x - 12 )

simplify above algebraic expression

• 5x

• 6x - 6

• 5x - 12

• 6x + 6

10a²b² ÷ 2ab²

simplify above algebraic expression

• 5a

• 4a²

• 5ab

• 8a²

a²b³ x 5a²b

simplify above algebraic expression

• 5a⁴b⁴

• 10a³b²

• 5a²b

• 2ab

(a + 1) x (a + 1)

simplify above algebraic expression

• 2a + 1

• ( a + 1)²

• a²

• 2( a + 1)

2a - y + 3a +4y

simplify above algebraic expression

• 5a + 3y

• 8a + y

• 2a - y

• 7y

form linear equation.

a number x plus 7 and minus 4 is equal to 10

• x + 7 - 4 = 10

• x + 7 = 14

• x - 7 + 4 = 10

• x + 11 = 10

form linear equation.

a number x divide by 2 is equal to the number x plus 10

• 2x = x + 10

• x ÷ 2 = x + 10

• x ÷ 10 = x + 2

• x -2 = 10x

form linear equation.

1 Kg of grape cost RM x and 30 Kg of it cost RM200

• 30 = 200x

• 30x = 200

• 3x = 200

• 30x = 20

X+30=50

solve the following equation, what is the value of X

• 10

• 20

• 30

• 40