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Answer :

Answer:

[tex]x = 4[/tex]

[tex]ac = 56[/tex]

Step-by-step explanation:

[tex]6x + 3 = 7x - 1[/tex]

[tex]7x - 6x = 3+ 1[/tex]

[tex]6x + 3 + 7x + 1 = 56[/tex]

[tex]x = 4[/tex]