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Simplifying
7x2 + 18 = 50
Reorder the terms:
18 + 7x2 = 50
Solving
18 + 7x2 = 50
Solving for variable 'x'.
Move all terms containing x to the left, all other terms to the right.
Add '-18' to each side of the equation.
18 + -18 + 7x2 = 50 + -18
Combine like terms: 18 + -18 = 0
0 + 7x2 = 50 + -18
7x2 = 50 + -18
Combine like terms: 50 + -18 = 32
7x2 = 32
Divide each side by '7'.
x2 = 4.571428571
Simplifying
x2 = 4.571428571
Take the square root of each side:
x = {-2.138089935, 2.138089935}
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