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Simplifying
7x2 + -4 = 48
Reorder the terms:
-4 + 7x2 = 48
Solving
-4 + 7x2 = 48
Solving for variable 'x'.
Move all terms containing x to the left, all other terms to the right.
Add '4' to each side of the equation.
-4 + 4 + 7x2 = 48 + 4
Combine like terms: -4 + 4 = 0
0 + 7x2 = 48 + 4
7x2 = 48 + 4
Combine like terms: 48 + 4 = 52
7x2 = 52
Divide each side by '7'.
x2 = 7.428571429
Simplifying
x2 = 7.428571429
Take the square root of each side:
x = {-2.725540576, 2.725540576}
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