Let's Solve Expressions!

Evaluate Algebraic Expressions

100

Evaluate the expression 3x+5 when x=-2

-1

200

Evaluate the expression 7y-2 when y=3

19

300

Evaluate the expression 2x=y when x=5 and y=2

12

400

Evaluate the expression x²⁺ y² when x=3 and y=4

25

500

Evaluate 6+2 (x-1) when x=5

14

Simplifying Expressions

100

3x+5x

8x

200

4x+3+2x+5

6x+8

300

3(x+4) 

3x+12

400

4(2x+1) -3x

5x+4

500

x² + 3x + 2x² -x

3x²⁺2x

Combining Like Terms

100

10y-6y=

4y

200

7x+2y+3x-y

10x+y

300

8x-3y+2x+5y-x

9x+2y

400

9k-2+3k-7-4k

8k-9

500

5x+2y-3x+7-y+x

3x+y+7

Distributive Property

100

2(x+5)

2x+10

200

3(x+7)+2x

5x+21

300

-2(x+4)

-2x-6

400

simplify the expression 4(x+3)-2(x-5)

2x+22

500

Solve for x: 4(-5x+8)-(x+5)

-15

Working with Exponents

100

Solve for x: x²⁼ 49

x=7

200

Solve for x: 5x²+180

x=6

300

Solve for x: 2^x+2=128

x=5

400

Solve for x: 5^x-1=25

x=3

500

solve for x: 3^2x=81

x=2