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Simplifying
8x2 + -3 = 28
Reorder the terms:
-3 + 8x2 = 28
Solving
-3 + 8x2 = 28
Solving for variable 'x'.
Move all terms containing x to the left, all other terms to the right.
Add '3' to each side of the equation.
-3 + 3 + 8x2 = 28 + 3
Combine like terms: -3 + 3 = 0
0 + 8x2 = 28 + 3
8x2 = 28 + 3
Combine like terms: 28 + 3 = 31
8x2 = 31
Divide each side by '8'.
x2 = 3.875
Simplifying
x2 = 3.875
Take the square root of each side:
x = {-1.968501969, 1.968501969}
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