Expressions With Substitution

Simplify: 13 - 4x

when x = (-8)

• -19

• -45

• 45

• The answer is not here.

Evaluate the expression 2(x - 4) + 3y when x = 6 and y = 2.

• 10

• 14

• 8

• 6

Evaluate the expression 3x + 2y when x = 4 and y = 5.

• 19

• 23

• 30

• 22

Simplify the expression 2(x + 3) - 4x when x = 2.

• 2

• -2

• 4

• 6

Substitute the value of a in the expression 5a - 2b when a = 3 and b = 2.

• 13

• 7

• 11

• 9

Simplify the expression 4a + 2b - 3a when a = 2 and b = 5.

• 12

• -2

• 10

• 0

Substitute the value of x in the expression 3x^2 - 2x + 1 when x = -1.

• 2

• 0

• 6

• -4

Evaluate the expression 2(x + 5) - 3y when x = 3 and y = 4.

• 10

• 0

• 4

• -2

Simplify the expression 3a - 2b + 4a when a = 1 and b = 3.

• -2

• 5

• 1

• 7

Substitute the value of y in the expression 2x + 3y^2 when x = 2 and y = -1.

• 9

• 5

• 7

• -1