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catharina903
catharina903 catharina903
  • 27-01-2016
  • Mathematics
Answered

4(x - 2) = x + 10 What is "x" in this equation?

Verified Answer :

Willchemistry
Willchemistry Willchemistry
  • 27-01-2016

4 ( x - 2 ) =  x + 10

4 x - 2 4 = x + 10

4 x - 8 = x + 10

4 x - x = 10 + 8

3 x = 18

x = 18 / 3

x = 6

hope this helps!.

Answer Link
Leader
Leader Leader
  • 03-02-2016

4(x - 2) = x + 10

Distribute the 4, using the distributive property which states: a(b + c) = ab + ac

We get:

4(x) - 4(2) = x + 10

4x - 8 = x + 10

Add 8 on both sides

4x - 8 + 8 = x + 10 + 8

4x = x + 18

Subtract x on both sides

4x - x = x + 18 - x

4x - x = 18

3x = 18

Divide both sides by 3.

3x/3 = 18/3

x = 18/3

x = 6

Your final answer is x = 6.

Answer Link

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