Question

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ACTIVIDAD 2.

Resuelve las siguientes Ecuaciones de la forma ax+b=C

a) - 3x - 17 = 22
b) 2x + 2(x + 7) = 66
c) 5x - 86 = 9
d) 5x = 30
e) x/6 = 5​​

Answer 1

TEMA: ECUACIONES

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a) -3x - 17 = 22

-3x - 17 = 22

-3x = 22 + 17

-3x = 39

x = 39 ÷ -3

x = -13

RPTA: X = -13

b) 2x + 2(x + 7) = 66

2x + 2(x + 7) = 66

2x + 2x + 14 = 66

4x + 14 = 66

4x = 66 - 14

4x = 52

x = 52 ÷ 4

x = 13

RPTA: X = 13

c) 5x - 86 = 9

5x - 86 = 9

5x = 9 + 86

5x = 95

x = 95 ÷ 5

x = 19

RPTA: X = 19

d) 5x = 30

5x = 30

x = 30 ÷ 5

x = 6

RPTA: X = 6

e) x/6 = 5​​

x/6 = 5

x = 5 × 6

x = 30

RPTA: X = 30

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