Question

Решите позязя. : 3 (уравнения) -4х+6=2(2х+3) 3х+4=7х-8 2х-3=10 2(х+1)=3(х+1)

Answer 1

-4x+6=2(2x+3)
-4x+6=4x-6
-4x-4x=-6-6
-8x=-12
x=3/2



3x+4=7x-8
3x-7x=-8-4
-4x=-12
x=3



2x-3=10
2x=10+3
2x=13
x=13/2



2(x+1)=3(x+
2(x+1)-3(x+=0
(2-3)*(x+1)=0
-1(x+1)=0
x+1=0
x=-1

Answer 2

$- 4x + 6 = 2(2x + 3) \\ - 4x + 6 = 4x + 6 \\ - 4x - 4x = 6 - 6 \\ - 8x = 0 \\ x = 0 \div ( - 8) \\ x = 0$
______________________________

$3x + 4 = 7x - 8 \\ 3x - 7x = - 8 - 4 \\ - 4x = - 12 \\ x = - 12 \div ( - 4) \\ x = 3$
_____________________________

$2x - 3 = 10 \\ 2x = 10 + 3 \\ 2x = 13 \\ x = 13 \div 2 \\ x = 6.5$
________________________________

$2(x + 1) = 3(x + 1) \\ 2x + 2 = 3x + 3 \\ 2x - 3x = 3 - 2 \\ - x = 1 \\ x = 1 \div ( - 1) \\ x = - 1$