7x-40=3x

Simple and best practice solution for 7x-40=3x 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-40=3x equation:


Simplifying
7x + -40 = 3x

Reorder the terms:
-40 + 7x = 3x

Solving
-40 + 7x = 3x

Solving for variable 'x'.

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

Add '-3x' to each side of the equation.
-40 + 7x + -3x = 3x + -3x

Combine like terms: 7x + -3x = 4x
-40 + 4x = 3x + -3x

Combine like terms: 3x + -3x = 0
-40 + 4x = 0

Add '40' to each side of the equation.
-40 + 40 + 4x = 0 + 40

Combine like terms: -40 + 40 = 0
0 + 4x = 0 + 40
4x = 0 + 40

Combine like terms: 0 + 40 = 40
4x = 40

Divide each side by '4'.
x = 10

Simplifying
x = 10

See similar equations:

| (7x^2-12)-(x^2+4x-6)=0 | | 15ab-5ab-4ab= | | 3(4x+3)+15=2(3x+5)+(6x+14) | | 2(3x+7b+n)= | | 3x+25=7x+33 | | 5x^2+5-10=0 | | 9y+7=8y-9 | | 2(w+2)+2w=40 | | 2l+2w=40 | | 24c+1(c-1)=3c+6 | | 3u+2=1+20u-5 | | -2b+5-b=1-b+14 | | 7x^2-24x-16=0 | | 62m+24m= | | 8+2x=8x+2 | | 7-x=3x+1-5x | | -2x+y+2=0 | | x^5-6x^4+10x^3-7x^2+15x-9=0 | | 1.2x=60000 | | a/2.+.1/3=2a-3 | | a/2+1/3=2a-3 | | 3x^3-x^2-27x+9=0 | | 3n-11n-70=0 | | 4x^4-6x^3-21x^2-6x+4=0 | | -4*c=7 | | x+2y+z=11 | | 2.92x+14.6=5x | | 2x-9x-3=15 | | 15=-b | | 4a+9+a+3= | | 4m+5=3m-11 | | 8z+9-72-2= |

Equations solver categories