Question

0,4(6x-7)=0,5(3x+7) решите пж

Answer 1

2,4x-2,8=1,5x+3,5
2,4x-1,5x=3,5+2,8
0,9x=6,3
x=6,3:0,9
x=7

Answer 2

0,4(6x-7)=0,5(3x+7)
2.4х-2.8=1.5х+3.5
2.4х-1.5х=3.5+2.8
0.9х=6.3
х=6.3÷0.9
х=7