To solve for x, we first distribute the 7 to both terms inside the parentheses:
28x - 105 = 63
Next, we add 105 to both sides to isolate the variable x:
28x = 168
Finally, we divide both sides by 28 to solve for x:
x = 6
Therefore, the solution is x = 6.
7(4x-15)=63
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