"Alpha Team, solve the equation!!"
"Roger that, Bravo Team."
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MISSION OVERVIEW: Isolate the x!!
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Mission #1: Add 6 on both sides.
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50+6=7x-6+6
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56=7x
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Mission #2: Divide by 7 on both sides.
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56 / 7 = 7x / 7
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x = 8.
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MISSION COMPLETE!!
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Hope this helped!