Question

BOA NOITE VALENDO 8 PONTOS PRA QUEM RESOLVER ESSAS EQUAÇÕES DE 1 GRAU PRA MIM ME AJUDEM POR FAVOR

C) 4 X + 2 = 2 X +8

D) 5 X - 7 = 4 X - 12 E) 6 X + 4 = 5 X - 3 F) 4 X - 4 = 3 X + 2.277

Answer 1

$c)4x+2=2x+8\to 4x-2x=8-2\to 2x=6\to x= \frac{6}{2} \to x=3\\\\\\ \\ d)5x-7=4x\to 5x-4x=7\to x=7\\\\\\\\ e)6x+4=5x-3\to 6x-5x=-3-4\to x=-7\\\\\\\\ f)4x-4=3x+2.277\to 4x-3x=2.277+4\to x=2.281$