can you solve 5x+4+7x+4[/tex]
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See above .............
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Step-by-step explanation:
(5x + 4) + (7x + 4) = 56 \\ 5x + 7x + 4 + 4 = 56 \\ 12x + 8 = 56 \\ 12x = 48 \\ x = \frac{48}{12} \\ x = 4
Hence X = 4
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