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Simplifying
7x2 + -4 = 3x2 + -4
Reorder the terms:
-4 + 7x2 = 3x2 + -4
Reorder the terms:
-4 + 7x2 = -4 + 3x2
Add '4' to each side of the equation.
-4 + 4 + 7x2 = -4 + 4 + 3x2
Combine like terms: -4 + 4 = 0
0 + 7x2 = -4 + 4 + 3x2
7x2 = -4 + 4 + 3x2
Combine like terms: -4 + 4 = 0
7x2 = 0 + 3x2
7x2 = 3x2
Solving
7x2 = 3x2
Solving for variable 'x'.
Move all terms containing x to the left, all other terms to the right.
Add '-3x2' to each side of the equation.
7x2 + -3x2 = 3x2 + -3x2
Combine like terms: 7x2 + -3x2 = 4x2
4x2 = 3x2 + -3x2
Combine like terms: 3x2 + -3x2 = 0
4x2 = 0
Divide each side by '4'.
x2 = 0
Simplifying
x2 = 0
Take the square root of each side:
x = {0}
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