Expanding Linear Expressions (Grade 7)

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Expanding Linear Expressions

Instructions: Expand each expression.

1. 
Expand.

[math]7(3x+2)[/math]
  1. [math]21x+7[/math]
  2. [math]21x-7[/math]
  3. [math]21x+14[/math]
  4. [math]21x-14[/math]
 
2. 
Expand.

[math]4(5x+3)[/math]
  1. [math]20x+7[/math]
  2. [math]20x+1[/math]
  3. [math]20x-1[/math]
  4. [math]20x+12[/math]
3. 
Expand.

[math]2(3x+7)[/math]
  1. [math]5x+14[/math]
  2. [math]6x+14[/math]
  3. [math]6x+5[/math]
  4. [math]5x+9[/math]
 
4. 
Expand.

[math]6(2x+4)[/math]
  1. [math]12x+24[/math]
  2. [math]12x+4[/math]
  3. [math]12x+6[/math]
  4. [math]12x+10[/math]
5. 
Expand.

[math]9(6x+7)[/math]
  1. [math]54x+36[/math]
  2. [math]54x+63[/math]
  3. [math]45x+36[/math]
  4. [math]45x+63[/math]
 
6. 
Expand the expression.
[math]-7(-3h - 8)[/math]
  1. 21h + 56
  2. -21h -15
  3. -10h + 56
  4. 21h - 1
7. 
Expand the expression.
[math]-6(5z + 3)[/math]
  1. -30z - 18
  2. 30z + 18
  3. 18z + 8
  4. -18 + 5z
 
8. 
Expand the expression.
[math]-5(9p -7)[/math]
  1. 45p + 7
  2. 45p -12
  3. -45p + 35
  4. -45p - 35
9. 
Expand the expression.
[math]-6(9b - 8)[/math]
  1. 54b - 8
  2. -15b - 14
  3. -3b + 14
  4. -54b + 48
 
10. 
Expand the expression.
[math]7(-9c + 2)[/math]
  1. -63c + 14
  2. -2c - 14
  3. -63c + 11
  4. -9c + 5

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