Bonjour,
a. 11 + 8x = 2 - 3x
8x + 3x = 2 - 11
11x = -9
x = -9/11
b. 6 - 3x = -x + 1
-3x + x = 1 - 6
-2x = -5
x = -5/-2 = 5/2
c. 5/4x = 2 + 1/3x
15/12x = 24/12 + 4/12x
<=> 24 + 4x = 15x
24 = 15x - 4x = 11x
x = 24/11
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Bonjour,
a. 11 + 8x = 2 - 3x
8x + 3x = 2 - 11
11x = -9
x = -9/11
b. 6 - 3x = -x + 1
-3x + x = 1 - 6
-2x = -5
x = -5/-2 = 5/2
c. 5/4x = 2 + 1/3x
15/12x = 24/12 + 4/12x
<=> 24 + 4x = 15x
24 = 15x - 4x = 11x
x = 24/11