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If 2x-3y=14 and 5x+3y=21, what is the value of x ? |
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Answer» `-1` `2x -3y=14` `(+5x +3y =21)/({:(7x, =53),(x, =5):})` Choice (D) is correct. The equation asks only for the value of x, so you don't need to substitute x back into EITHER equation to find the balue of y. |
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