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Simplifying
49a2 + 16 = 56
Reorder the terms:
16 + 49a2 = 56
Solving
16 + 49a2 = 56
Solving for variable 'a'.
Move all terms containing a to the left, all other terms to the right.
Add '-16' to each side of the equation.
16 + -16 + 49a2 = 56 + -16
Combine like terms: 16 + -16 = 0
0 + 49a2 = 56 + -16
49a2 = 56 + -16
Combine like terms: 56 + -16 = 40
49a2 = 40
Divide each side by '49'.
a2 = 0.8163265306
Simplifying
a2 = 0.8163265306
Take the square root of each side:
a = {-0.903507903, 0.903507903}
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