Question

encontre a soluçao das equaçao 100-5x-5x+200=30x-500

Answer 1

$100 - 5x - 5x + 200 = 30x - 500 \\ - 5x - 5x - 30x = - 500 - 100 - 200 \\ - 40x = - 800.( - 1) \\ x = 800 \div 40 \\ x = 20$

Answer 2

100-5x-5x+200=30x-500

-5x-5x-30x=-500-100-200

-40x=-800

x = -800/ - 40

x = 20

Espero ter ajudado!