Question

1). 7х-4=(2х-7)=3(6х+5)

2). 2-5(4х-7)=3(6х+5)​

Answer 1

Ответ:

1)x=2

2)x=3

....................

Answer 2

$1)7x-4=(2x-7)=3(6x+5)\\7x-4-2x+7=18x+15\\5x+3=18x+15\\5x-18x=15-3\\-13x=12\\x=-\frac{12}{13}\\2)2-5(4x-7)=3(6x+5)\\2-20x+35=18x+15\\37-20x=18x+15\\-20x-18x=15-37\\-38x=-22\\x=\frac{11}{19}$