3x^2+8=7x^2+28

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Solution for 3x^2+8=7x^2+28 equation:


Simplifying
3x2 + 8 = 7x2 + 28

Reorder the terms:
8 + 3x2 = 7x2 + 28

Reorder the terms:
8 + 3x2 = 28 + 7x2

Solving
8 + 3x2 = 28 + 7x2

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '-7x2' to each side of the equation.
8 + 3x2 + -7x2 = 28 + 7x2 + -7x2

Combine like terms: 3x2 + -7x2 = -4x2
8 + -4x2 = 28 + 7x2 + -7x2

Combine like terms: 7x2 + -7x2 = 0
8 + -4x2 = 28 + 0
8 + -4x2 = 28

Add '-8' to each side of the equation.
8 + -8 + -4x2 = 28 + -8

Combine like terms: 8 + -8 = 0
0 + -4x2 = 28 + -8
-4x2 = 28 + -8

Combine like terms: 28 + -8 = 20
-4x2 = 20

Divide each side by '-4'.
x2 = -5

Simplifying
x2 = -5

Reorder the terms:
5 + x2 = -5 + 5

Combine like terms: -5 + 5 = 0
5 + x2 = 0

The solution to this equation could not be determined.

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