Question

X + 10 + X +2X + 3 ( X + 10 ) =540
a) 90 b) 100 c) 150 d) 200
( esas son las opciones )
me ayudan a resolver esto pliss
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Answer 1

x + 10 + x + 2x + 3( x +10)= 540

x +10 + x + 2x +3x + 30 =540

x + x + 2x + 3x + 40 =540

7x = 540 - 40

7x = 500

x = 500/7

x = 71.4.