Question

18X-100=8X+200 MEAJUDE

Answer 1

Boa tarde!

18x -100 = 8x +200

18x-8x = +200+100

10x = 300

X= 300/10

X = 30

Abraços

Answer 2

$18x - 100 = 8x + 200 \\ 18x - 8x = 200 + 100 \\ 10x = 300 \\ x = \frac{300}{10} \\ x = 30$