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Simplifying
16x2 + -7 = 18
Reorder the terms:
-7 + 16x2 = 18
Solving
-7 + 16x2 = 18
Solving for variable 'x'.
Move all terms containing x to the left, all other terms to the right.
Add '7' to each side of the equation.
-7 + 7 + 16x2 = 18 + 7
Combine like terms: -7 + 7 = 0
0 + 16x2 = 18 + 7
16x2 = 18 + 7
Combine like terms: 18 + 7 = 25
16x2 = 25
Divide each side by '16'.
x2 = 1.5625
Simplifying
x2 = 1.5625
Take the square root of each side:
x = {-1.25, 1.25}
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