Equations - 6th

Which expression is equivalent to 5(4x + 3) - 2x?

• 18x + 15

• 18x + 3

• 7x + 8

• 2x + 8

Which expression is equivalent to 60 - 3y -9

• 3(17 - y)

• 3(20 - y ) - 3

• 17(3 - y)

• 20(3-3y) - 9

Select the expression that is equivalent to 48 + 12

• 6(8 + 6)

• 12( 4 + 1)

• 4(44 + 3)

• 8(6 + 4)

What is the solution for 3/5x = 12/25 ?

• x = 7/20

• x = 4/4

• x = 4/5

• x = 4

What is the solution to the equation 3x² + 4 = 31 ?

• 2

• 3

• 4

• 5

an expression is shown

12 x 12 x 12 x 12 + 7 (3 x 3 x 3 x 3 + 3)

Which of the following shows this expression written using exponents?

• 4¹² + 7(5³)

• 4¹² + 7 (4³ + 3)

• 12⁴ + 7(3⁵)

• 12⁴ + 7 (3⁴ + 3)

What is the solution to the equation

p/9 = 72 ?

• 8

• 63

• 81

• 648

In which equation does n = 8 ?

• n + 25 = 18

• 7 = 56n

• 7.8 - n = 0.2

• 7/8 n = 7

Which of the following is the answer to the expression

2 x (3 + 4) / 2?

• 2

• 5

• 7

• 9

solve for the variable

2.3b = 36.8

• b = 1.6

• b = 16

• b = 34.5

• b = 39.1