Question

resolva as equações 4x-7=x+11 b 5x-12=2x+2-

Answer 1

4x-7= x+11
4x-x= 11+7
3x=18
x=6

5x-12= 2x+2
5x-2x= 2+12
3x= 14
x= 4,6666667

Answer 2

4x-7=11 4x-x=11+7 3x=18 X=6 5x-12=2x+2 3x=14 X=4,6666667