Examples with solutions for Simplifying and Combining Like Terms: Opening parentheses

Exercise #1

Solve for X:

3(x2)=4 3(x-2)=4

Video Solution

Answer

103 \frac{10}{3}

Exercise #2

Solve for X:

78(x+4)=3x 7-8(x+4)=-3x

Video Solution

Answer

5 -5

Exercise #3

Solve for X:

7(x+5)3(x2)=5 7(x+5)-3(x-2)=5

Video Solution

Answer

9 -9

Exercise #4

Solve for X:

5(x4)6(7x)=5x 5(x-4)-6(7-x)=5x

Video Solution

Answer

10.33 10.33

Exercise #5

Solve for X:

7(x4)=(6x)×3 7(x-4)=(6-x)\times3

Video Solution

Answer

4.6 4.6

Exercise #6

Solve for X:


3(x+2)=5(2x) 3(x+2)=5(2-x)

Video Solution

Answer

x=12 x=\frac{1}{2}

Exercise #7

Solve for X:

6+3(x+4)=73(x2) 6+3(x+4)=7-3(x-2)

Video Solution

Answer

56 -\frac{5}{6}

Exercise #8

Solve for X:

34(x2)=6x+4(3x) 3-4(x-2)=6x+4(3-x)

Video Solution

Answer

16 -\frac{1}{6}

Exercise #9

Solve for X:

6(x+4)4=8(x+5) 6(x+4)-4=8(x+5)

Video Solution

Answer

10 -10

Exercise #10

Solve for X:

7(x4)+3=54(x+5) 7(x-4)+3=5-4(x+5)

Video Solution

Answer

1011 \frac{10}{11}