Respuesta :

a. Add all like terms: 80+2x = 180
b. Move all constant terms to the answer’s side: 2x = 180
c. Divide both sides by same number: 2x/2= x= 180/2
d. Answer: x= 90
silirobert15

[tex]90 - x + 3x - 10 = 180[/tex]

[tex](90 - 10) + ( - x + 3x) = 180[/tex]

[tex]80 + 2x = 180[/tex]

[tex]2x = 180 - 80 = 100[/tex]

[tex]x = \frac{100}{2} = 50[/tex]

Answer: x = 50

Ok done. Thank to me :>

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