lily1750
lily1750 lily1750
  • 25-03-2019
  • Mathematics
contestada

3/4(8x-4)=7x+2 This is a linear equation please help!

348x47x2 This is a linear equation please help class=

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Аноним Аноним
  • 25-03-2019

Simplify the left hand side by multiplying the terms in the parenthesis by 3/4, i.e. divide them by 4 and multiply them by 3:

[tex]\dfrac{3}{4}(8x-4)=7x+2 \iff 3(2x-1)=7x+2 \iff 6x-3 = 7x+2 [/tex]

Subtract 6x from both sides:

[tex]-3=x+2[/tex]

Subtract 2 to both sides:

[tex]x=-5[/tex]

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riahhh3
riahhh3 riahhh3
  • 25-03-2019
distribute 3/4 into the parentheses, set the equation equal to each other. subtract 7 from both sides of the x’s equation and then solve.
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