Question

ECUACIONES
1. Resolución de ecuaciones
a. 3x - 1 - 2x + 5
b.x - 3 = 9
c. 3y = 90
d. 3x+9=2x-3
ex+9=2
5
1-2x-6= -4x+12
9-10-2=-6x-18
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Answer 1

3x-1-2x+5. x-3=9

x = 4. x = 12

3y=90. 3x+9=2x-3.

y = 30. x = 12.

x+9=2. 2x-6=-4x+12

x = 7. 6x= 18. x = 3.

10-2=-6x-18

6x= 26.

x = 13/3.