Find the value of X: 868 JX 4X412
Added by Tracy C.
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We can do this by looking at the second row of numbers. We know that 4X412 equals 1648, so we can subtract 868 from 1648 to get: 1648 - 868 = 780 Therefore, JX780 equals 780, which means that J must be equal to 7. We can now substitute 7 for J in the original Show more…
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