9x^2+7x^2=42

Simple and best practice solution for 9x^2+7x^2=42 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 9x^2+7x^2=42 equation: 


Simplifying
9x2 + 7x2 = 42

Combine like terms: 9x2 + 7x2 = 16x2
16x2 = 42

Solving
16x2 = 42

Solving for variable 'x'.

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

Divide each side by '16'.
x2 = 2.625

Simplifying
x2 = 2.625

Take the square root of each side:
x = {-1.620185175, 1.620185175}

See similar equations:

| 6t+12=3t+36 | | 4x+29=11x-39 | | 8/9=x/3/4 | | 4x^2-4x=-36+20x | | 3x(x+4)=5x | | -3x^2+9x+4=0 | | 3d-2d-d+4d=8 | | -18b+-13b+17b-b=15 | | 6x+3-10x+20x+-2x+10=15x | | 42-4X=5X+23 | | 13s-5s-3s+s+2s=16 | | 8x^3+20x^2+4x= | | 6x+8y=12 | | -3z^2-2z+2=0 | | 3x+4=8x+21 | | 9u+2u+u-8u-2u=14 | | 6-10X=63-31X | | s+2s-3s+2s=20 | | 4[1.5+6]-2c=-9 | | 16y^3+9x^2y-54x=0 | | 4[1.5+6]-2c=9 | | 20b+5b+2b-19b=8 | | 5x+5x-5= | | g-g+3g=18 | | 19u+u-17u=15 | | 4u-u+5u-4u=12 | | 6-10x=44-24x | | 4p-2p=14 | | 3y-2y=11 | | -6(8-2x)=96 | | 3(x-2)+31=-2x | | 13v-10v=6 |

Equations solver categories