7(-5+3х)+4х=9 3(-1-х)-2х=9 6(4-х)+3х=3

Question

7(-5+3х)+4х=9
3(-1-х)-2х=9
6(4-х)+3х=3

Answer 1

7(-5+3х)+4х=9
-35+21x+4x=9
25x=9+35
25x=44
x=44:25
x=1,76
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3(-1-х)-2х=9
-3-3x-2x=9
-5x=9+3
-5x=12
x=12:(-5)
x=-2,4
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6(4-х)+3х=3
24-6x+3x=3
-3x=3-24
-3x=-21
x=21:3
x=7

Answer 2

3)6(4-х)+3х=3
24х-6х+3х=3
21х=3
х=7

1)7(-5+3х)+4х=9
-35+21x+4x=9
25x=9+35
25x=44
x=44:25
x=1,76