shanicalouois
shanicalouois shanicalouois
  • 01-12-2021
  • Mathematics
contestada

3x- 25 = 11x -5 + 2x



Please show working.

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loneguy
loneguy loneguy
  • 01-12-2021

[tex]3x-25 =11x -5 +2x \\\\\implies 3x -25 = 13x-5\\\\\implies 13x -3x = 5-25\\\\\implies 10x = -20\\\\\implies x = -2[/tex]

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lena3056
lena3056 lena3056
  • 01-12-2021
Answer: x=-2.

Step by step:

3x-25=11x-5+2x

Combine like terms!

3x-25=(11x+2x)+(-5)

3x-25=13x+(-5)

3x-25=13x-5

Subtract 13x on both sides!

-10x-25=-5.


Add 25 to both sides.

-10x=20.

Divide both sides by -10.

x=-2.

Hope this helps!! :)
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