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

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

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

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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

$- 4x + 6 = 2(2x + 3) \ - 4x + 6 = 4x + 6 \ - 4x - 4x = 6 - 6 \ - 8x = 0 \ x = 0 div ( - 8) \ x = 0$
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$3x + 4 = 7x - 8 \ 3x - 7x = - 8 - 4 \ - 4x = - 12 \ x = - 12 div ( - 4) \ x = 3$
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$2x - 3 = 10 \ 2x = 10 + 3 \ 2x = 13 \ x = 13 div 2 \ x = 6.5$
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$2(x + 1) = 3(x + 1) \ 2x + 2 = 3x + 3 \ 2x - 3x = 3 - 2 \ - x = 1 \ x = 1 div ( - 1) \ x = - 1$