Question

7 into x minus 7 into 4 is equals to 378

Answer 1

hope it helps you.
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Answer 2

$<marquee>hope this help</marquee>$$<font color=blue>•7x-7×4=378 <font color=purple>•7x-28=378<font color=red>•7x=378+28 <font color=green>•7x=406 <font color=orange>•x=406/7 <font color=pink>•x=58 <font color=indigo>•answer is 58</font>$