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Thalia Spence
27 May, 11:40
How to solve 7^3x+4=49^2x+1
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Ismael Leach
27 May, 13:18
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Raise 49 to the power of 2 to get 2401.
7^3 x+4=2401x+1
Raise 7 to the power of 3 to get 343.
343x+4=2401x+1
Since 2401x contains the variable to solve for, move it to the left-hand side of the equation by subtracting 2401x from both sides.
343x+4-2401x=1
Add 343x and - 2401x to get - 2058x.
-2058x+4=1
Since 4 does not contain the variable to solve for, move it to the right-hand side of the equation by subtracting 4 from both sides.
-2058x=-4+1
Add - 4 and 1 to get - 3.
-2058x=-3
Divide each term in the equation by - 2058.
x = 1/686
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