woodsoncady woodsoncady
  • 06-02-2020
  • Mathematics
contestada

What is the substitution for 5x+2(8-4x)=7

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TheNoobXD
TheNoobXD TheNoobXD
  • 07-02-2020

Answer:

x=3

Step-by-step explanation:

5x+2(8-4x)=7

multiply parentheses by 2

5x+16-8x=7

collect like terms

-3x+16=7

move constant to right

3x=7-16

calculate

-3x=-9

divide both sides by -3

x=3

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