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Simplifying
11x2 + 7 + -18 = -4
Reorder the terms:
7 + -18 + 11x2 = -4
Combine like terms: 7 + -18 = -11
-11 + 11x2 = -4
Solving
-11 + 11x2 = -4
Solving for variable 'x'.
Move all terms containing x to the left, all other terms to the right.
Add '11' to each side of the equation.
-11 + 11 + 11x2 = -4 + 11
Combine like terms: -11 + 11 = 0
0 + 11x2 = -4 + 11
11x2 = -4 + 11
Combine like terms: -4 + 11 = 7
11x2 = 7
Divide each side by '11'.
x2 = 0.6363636364
Simplifying
x2 = 0.6363636364
Take the square root of each side:
x = {-0.797724035, 0.797724035}
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