7x-2x=-9-12

Simple and best practice solution for 7x-2x=-9-12 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-2x=-9-12 equation: 


Simplifying
7x + -2x = -9 + -12

Combine like terms: 7x + -2x = 5x
5x = -9 + -12

Combine like terms: -9 + -12 = -21
5x = -21

Solving
5x = -21

Solving for variable 'x'.

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

Divide each side by '5'.
x = -4.2

Simplifying
x = -4.2

See similar equations:

| 5(2X+1)+2(5X+3)=19 | | 26=2(4x+1) | | 2x^2-17x+70=136 | | x+8=2(x-1) | | 2x-15=x-13 | | (y-8)2=-12x(x-0) | | 2x^2-17x-66=0 | | 2q^2-6q-36=0 | | 3x-10=-8 | | 7x+5=-9x-31-2x | | 6z^2-6z-36=0 | | 3x^2+4y^2+12x-8y-32=0 | | 4y+2x=30 | | .36x1/4 | | 13-10x=8x+22 | | 0.45(18)+0.5x=0.15(18+x) | | 3(4x-2.5)=9x-7.5 | | 3cos(a)+10-5sin(a)=0 | | -0.5x+1.85=-0.7x+0.65 | | -0.5x+1.85=-0.7+0.65 | | x=79+-1y | | x=79-y | | 3.7x-19=2.5x+5 | | 8.6x+7-5.6x=10 | | 21-3x-7=x+20 | | 5(x-4.8)=4.5 | | (10*sin(x))/2x | | -3.6x+1.1=-16.9 | | (10sinx)/2x | | -3.6+1.1=-16.9 | | 9.4x=-78.96 | | (4*20)-(4*1)=4*x |

Equations solver categories