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2X + 3 = X - 2 2X - X = - 2 - 3 X = - 5 VERIFICACION 2x + 3 = x - 2 2 * ( - 5) + 3 = x - 2 - 10 + 3 = - 5 - 2 - 7 = - 7 x : 2 + 1 = 4 x = 4 - 1 * 2 x = 3 * 2 x = 6 2 + 1 = 4 6 : 2 + 1 = 4 3 + 1 = 4.

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Gabibernal
3

2X + 3 = X - 2

2X - X = - 2 - 3 X = - 5

VERIFICACION

2x + 3 = x - 2

2 * ( - 5) + 3 = x - 2 - 10 + 3 = - 5 - 2 - 7 = - 7

x : 2 + 1 = 4

x = 4 - 1 * 2

x = 3 * 2

x = 6

VERIFICACION

X : 2 + 1 = 4

6 : 2 + 1 = 4 3 + 1 = 4.