Solve for x
x=7
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7x-9=10\times 4
Multiply both sides by 4.
7x-9=40
Multiply 10 and 4 to get 40.
7x=40+9
Add 9 to both sides.
7x=49
Add 40 and 9 to get 49.
x=\frac{49}{7}
Divide both sides by 7.
x=7
Divide 49 by 7 to get 7.
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