Question

resolva as questões a seguir : a)8(x-1)=8-4(2x-3)
b)2(x-1)=3x+4

Answer 1

$a)8(x-1)=8-4(2x-3)\to\\\\ 8x-8=8-8x+12\to \\\\ 8x+8x=8+12+8\to\\\\ 16x=28\to\\ \\x= \frac{28}{16} \to \\\\ x=1,75$


$b)2(x-1)=3x+4\to\\\\ 2x-2=3x+4\to\\\\ 2x-3x=4+2\to \\\\ -x=6(-1)\to \\\\x=-6$