7x^2+8=2x^2-12

Simple and best practice solution for 7x^2+8=2x^2-12 equation. Check how easy it is, and learn it for the future. Our solution is simple, and easy to understand, so don`t hesitate to use it as a solution of your homework.

If it's not what You are looking for type in the equation solver your own equation and let us solve it.

Solution for 7x^2+8=2x^2-12 equation:


Simplifying
7x2 + 8 = 2x2 + -12

Reorder the terms:
8 + 7x2 = 2x2 + -12

Reorder the terms:
8 + 7x2 = -12 + 2x2

Solving
8 + 7x2 = -12 + 2x2

Solving for variable 'x'.

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

Add '-2x2' to each side of the equation.
8 + 7x2 + -2x2 = -12 + 2x2 + -2x2

Combine like terms: 7x2 + -2x2 = 5x2
8 + 5x2 = -12 + 2x2 + -2x2

Combine like terms: 2x2 + -2x2 = 0
8 + 5x2 = -12 + 0
8 + 5x2 = -12

Add '-8' to each side of the equation.
8 + -8 + 5x2 = -12 + -8

Combine like terms: 8 + -8 = 0
0 + 5x2 = -12 + -8
5x2 = -12 + -8

Combine like terms: -12 + -8 = -20
5x2 = -20

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

Simplifying
x2 = -4

Reorder the terms:
4 + x2 = -4 + 4

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

The solution to this equation could not be determined.

See similar equations:

| x^2-18x+6=-6x-5 | | z-85=-1 | | 7t^2+8=2t^2-12 | | (7y+6)-(3+6y)=5 | | -5x^2+0x-3=0 | | 2.4q-3.2-4.8q=-1.4q-3.2 | | x^2+x-24=2x-4 | | 9y=6y+15 | | 3y^2+7y+15=0 | | r+-43=-97 | | 66xplus+33plus+44xplus+99equals=99xplus+3 | | 4p+2q-p+5q= | | 3t+3+4t-6t=5+3 | | 2x+35+19=90 | | p(x)=(4x-5)(5x+4) | | -8q=-72 | | 3m-4=-31 | | -0.666+0.5x-7=4x+8(8-5+2x) | | 62x-3=6-2x+1 | | -0.666+0.5x-7 =4x+8(8-5+2x) | | x^2-3.5x+3.12=0 | | x^2+7x+19=7 | | -(3x-15)+2(6x+6)= | | -41=n-78 | | 2y=-2y-1 | | h=3a+26 | | -1n=5+1.8 | | j-66=-62 | | -5a-11=-4a+14 | | 27+2x+x=90 | | -7u=42 | | 2/5x+0=9+(-5) |

Equations solver categories