Question

resolva as equações. a)7 (x-1)igual 2x-3 b)3(x-2)igual 4 (3-x)

Answer 1

a) 7 (x-1)=2x-3
7x-7=2x-3
7x - 2x= -3+7
5x=4
x= 4/5



b) 3 (x-2)=4 (3-x)
3x-6= 12-4x
3x+4x=12+6
7x=17
x=17/7