Respuesta:
a) 4x − 12 = 8
4x = 20
x = 5,,
b) 5x + 3 = 8x+ 1
-3x = -2
x = [tex]\frac{2}{3}[/tex],,
c) 6x − 9 = 3x + 21
3x = 30
x = 10,,
d) 9x + 12 = x− 4
8x = -16
x = -2,,
e) 6x = 18
x = 3,,
f) x − 20 = 8
x = 28,,
g) 4x − 2 = 10
4x = 12
h) 6x − 10 = 2x− 30
4x = -20
x = -5,,
i) 2x − 4 = 11x + 7
-9x = 11
x = [tex]-\frac{11}{9}[/tex],,
j) 6x + 4 = 1 − x
7x = -3
x = [tex]-\frac{3}{7}[/tex],,
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Respuesta:
a) 4x − 12 = 8
4x = 20
x = 5,,
b) 5x + 3 = 8x+ 1
-3x = -2
x = [tex]\frac{2}{3}[/tex],,
c) 6x − 9 = 3x + 21
3x = 30
x = 10,,
d) 9x + 12 = x− 4
8x = -16
x = -2,,
e) 6x = 18
x = 3,,
f) x − 20 = 8
x = 28,,
g) 4x − 2 = 10
4x = 12
x = 3,,
h) 6x − 10 = 2x− 30
4x = -20
x = -5,,
i) 2x − 4 = 11x + 7
-9x = 11
x = [tex]-\frac{11}{9}[/tex],,
j) 6x + 4 = 1 − x
7x = -3
x = [tex]-\frac{3}{7}[/tex],,