Question

5x – 15 < 20

Me ajudem pfv ;-;

Answer 1

Resposta:

Explicação passo-a-passo:

5x - 15  <  20

5x  <  20 + 15

5x  < 35

x  < 35/5

x  <  7

S = { x ∈ IR / X < 7 }

Answer 2

$\boxed{\begin{array}{lr}5x-15<20\\5x<20+15\\5x<35\\x<35/5\\\huge\boxed{\sf S=\{x<7\} }\end{array}}$