5leapingdolphinsidn
Answered

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100 POINTS!!Help me organize this!!!
7x+3x-18=16(x+3)
10x-18=6(x+3)
10x-18-6x+18
10x-18-6x=18
4x-18=18
4x=18+18
4x=36
x=36/4
x=9
Distributive Property
Subtraction Property of Equality
Combine Like Terms
Multiplication Property of Equality
Division Property of Equality
Given
Addition Property of Equality

Sagot :

Cinderofsoulsssidn

Step-by-step explanation:

  • 7x + 3x - 18 = 6(x + 3) === Given
  • 10x - 18 = 6(x + 3) === Combine Like Terms === 7x + 3
  • 10x - 18 = 6x + 18 ===  Distributive Property === 6(x + 3)
  • 10x - 18 - 6x = 18 === Subtraction Property of Equality === -6x both sides
  • 4x - 18 = 18 === Combine Like Terms === 10x - 6x
  • 4x = 18 + 18 === Addition Property of Equality === +18 both sides
  • 4x = 36 === Combine Like terms === 18 + 18
  • x = 36 / 4 === Division Property of Equality === /4 both sides
  • x = 9 === combine like terms??

That doesn't use the multiplication property but that's all of the rest of them.

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