-7x-21=-140

Simple and best practice solution for -7x-21=-140 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-21=-140 equation: 


Simplifying
-7x + -21 = -140

Reorder the terms:
-21 + -7x = -140

Solving
-21 + -7x = -140

Solving for variable 'x'.

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

Add '21' to each side of the equation.
-21 + 21 + -7x = -140 + 21

Combine like terms: -21 + 21 = 0
0 + -7x = -140 + 21
-7x = -140 + 21

Combine like terms: -140 + 21 = -119
-7x = -119

Divide each side by '-7'.
x = 17

Simplifying
x = 17

See similar equations:

| 41x^2-210=-x^2+246x | | 36-6k=5(1+5k) | | 95=4(4-4R)-1 | | 20x^2+6x=4x+16+6x^2 | | Y^2+(4y)=45 | | 24x-Y=120 | | 8x^2-6x-105=2x^2+3x | | 88=4(1+3a) | | 5x^2+175=60x | | -33n=-132 | | 8x^2=-16x+280 | | 3x^2+17=-8x+8 | | 86=5(8+2a)-4 | | 7-(2x+3)=16-6x | | 2.5=170/x | | -15+2x=-6x^2 | | 2(3+y)+3y=15 | | 6(12-2x/5) | | 6(-6n-4)=-4n+40 | | 2.3x+6.12=1.6x-10.44 | | 12b^2-(8b)=0 | | 13/6=39/t | | 9x+3-3x=-3(-4-x) | | 7/4=32/t | | -5(1-6p)=-155 | | 8/4=32/t= | | 18/4=81/x= | | 22-13=x | | Z=6+x-y | | p=140-7/9x | | x+3-5x+7+4y=7 | | 50x+5y=750 |

Equations solver categories