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Simplify 18 - 2[x + (x - 5)]. please i keep getting it wrong

Simplify 18 - 2[x + (x - 5)]. please i keep getting it wrong
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Simplify 18 - 2[x + (x - 5)]. please i keep getting it wrong

User Beweelam
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18-2[x+(x-5)]
18-2[2x-5]
18-4x+10
28-4x
-7+x or x-7 <-- Simplified version.
x=7 <-- What x equals.

User Lonerunner
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