7x^2-4=3x^2-4

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Solution for 7x^2-4=3x^2-4 equation:


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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