(7x^2+12)-(9x^2-2)=y

Simple and best practice solution for (7x^2+12)-(9x^2-2)=y 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+12)-(9x^2-2)=y equation:


Simplifying
(7x2 + 12) + -1(9x2 + -2) = y

Reorder the terms:
(12 + 7x2) + -1(9x2 + -2) = y

Remove parenthesis around (12 + 7x2)
12 + 7x2 + -1(9x2 + -2) = y

Reorder the terms:
12 + 7x2 + -1(-2 + 9x2) = y
12 + 7x2 + (-2 * -1 + 9x2 * -1) = y
12 + 7x2 + (2 + -9x2) = y

Reorder the terms:
12 + 2 + 7x2 + -9x2 = y

Combine like terms: 12 + 2 = 14
14 + 7x2 + -9x2 = y

Combine like terms: 7x2 + -9x2 = -2x2
14 + -2x2 = y

Solving
14 + -2x2 = y

Solving for variable 'x'.

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

Add '-14' to each side of the equation.
14 + -14 + -2x2 = -14 + y

Combine like terms: 14 + -14 = 0
0 + -2x2 = -14 + y
-2x2 = -14 + y

Divide each side by '-2'.
x2 = 7 + -0.5y

Simplifying
x2 = 7 + -0.5y

Reorder the terms:
-7 + x2 + 0.5y = 7 + -0.5y + -7 + 0.5y

Reorder the terms:
-7 + x2 + 0.5y = 7 + -7 + -0.5y + 0.5y

Combine like terms: 7 + -7 = 0
-7 + x2 + 0.5y = 0 + -0.5y + 0.5y
-7 + x2 + 0.5y = -0.5y + 0.5y

Combine like terms: -0.5y + 0.5y = 0.0
-7 + x2 + 0.5y = 0.0

The solution to this equation could not be determined.

See similar equations:

| 4.8e^3=x | | 4-21x=19 | | 4x-2(x-4)=-2+5x+1 | | 4.5-23y=1.5-28y | | 4o-6+8o=6(2o-1) | | x-3+6x=-3 | | 6x-14=-28 | | (c+3)+-2c-(1+-3c)=2 | | 7x=3+5-29 | | y-7+2-5y=2-8+y | | x^2+3x-234=0 | | 85=120-w | | 1x(ya)= | | x-1-4=0 | | z^4-22z^2+121= | | -4(x+2)=36 | | (10)12=(10)24-(10)6x | | z^3=9+46i | | 3+6a-1=14 | | 5=(p-1-21)-16 | | -8x+19=13-7x | | (9x+3)+-5x+-3=12 | | 12=1-8r-5 | | 2w^2-24w+72= | | 4(3p-4)=2(3p+1) | | -r+11=-5r-25 | | a+8+3=4 | | findGr=4g+4v | | (5+-y)+(6+-y)+-(5+-y)=0 | | 2x+7+5x+40=180 | | -1=x+7-7 | | 3x+2=6x^2+4x |

Equations solver categories