Question

Me ajudem pfv ate dia 30


x + 2x + 3 = 6x – 9

Answer 1

x+2x+3=6x-9  

3x-3=6x 9

3x+3-3=6x-9-3

3x=6x-12

3x-6x=6x-12-6x

-3x=-12

-3x = -12

----     ----

-3        -3

x=4

Answer 2

$\Box \ \ \\\\ \boxed{\begin{array}{lr}x+2x+3=6x-9\\3x-6x=-9-3\\-3x=-12\\3x=12\\x=12/3\\\huge\boxed{\sf x=4 \ \ \checkmark }\end{array}}$

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