Explicación paso a paso:
-55 + (5 - (-2)(x-1))
-55 + (5 -(-2X +2))
-55 + (5 +2X -2)
-55 + 5 - 2 + 2X
-52 + 2X
2X = 52
X = 52 / 2
X = 26
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Verified answer
Explicación paso a paso:
-55 + (5 - (-2)(x-1))
-55 + (5 -(-2X +2))
-55 + (5 +2X -2)
-55 + 5 - 2 + 2X
-52 + 2X
2X = 52
X = 52 / 2
X = 26