7x-2x-20=40

Simple and best practice solution for 7x-2x-20=40 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-20=40 equation:


Simplifying
7x + -2x + -20 = 40

Reorder the terms:
-20 + 7x + -2x = 40

Combine like terms: 7x + -2x = 5x
-20 + 5x = 40

Solving
-20 + 5x = 40

Solving for variable 'x'.

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

Add '20' to each side of the equation.
-20 + 20 + 5x = 40 + 20

Combine like terms: -20 + 20 = 0
0 + 5x = 40 + 20
5x = 40 + 20

Combine like terms: 40 + 20 = 60
5x = 60

Divide each side by '5'.
x = 12

Simplifying
x = 12

See similar equations:

| 6x-30=4x+20 | | 8m=10m-6 | | 3/4x-15=16 | | .05X+.01x=.03x*90 | | 25-16+12= | | 3x-218+x-30+.5x+14=180 | | 6+x=10+y+y | | 4970+0.04X/34000+X=0.05 | | 25x^2+40=-16 | | (4m)-7/(7m)-8 | | a+12/a=7 | | y=650+20x | | 15x^2+16x-4=0 | | 15w^2+11w+2=0 | | 15w^2+11x+2=0 | | 2(x+2)=160 | | x^2+14-84=0 | | (9r+1)/2-6=(6r+7)/5 | | 7d-9=5d+20 | | 5=2x+90 | | (z+5)(z+2)= | | x^2sin(5/x) | | 1/3(5x-7)=8 | | 60c+18d= | | (v-21)(v-1)= | | x^3-169x=0 | | 15x^2+8x-4=0 | | 5(5n+19)= | | y=3(-9)-9 | | y=3(-3)-9 | | x/1+7/4=8/5 | | -3(-9)+5y=-15 |

Equations solver categories