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Mathematics 8 Online
OpenStudy (jmansedg):

what is x 12-x=7

OpenStudy (kropot72):

Lets solve it in steps. First add x to both sides of the equation, giving: 12 - x + x = 7 + x ................(1) Can you simplify the left hand side of equation (1)?

OpenStudy (anonymous):

This can be understood in a simple sentence.. "What number you will subtract from 12, so that you get 7??"

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