7x-45=12x+20

Simple and best practice solution for 7x-45=12x+20 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-45=12x+20 equation:


Simplifying
7x + -45 = 12x + 20

Reorder the terms:
-45 + 7x = 12x + 20

Reorder the terms:
-45 + 7x = 20 + 12x

Solving
-45 + 7x = 20 + 12x

Solving for variable 'x'.

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

Add '-12x' to each side of the equation.
-45 + 7x + -12x = 20 + 12x + -12x

Combine like terms: 7x + -12x = -5x
-45 + -5x = 20 + 12x + -12x

Combine like terms: 12x + -12x = 0
-45 + -5x = 20 + 0
-45 + -5x = 20

Add '45' to each side of the equation.
-45 + 45 + -5x = 20 + 45

Combine like terms: -45 + 45 = 0
0 + -5x = 20 + 45
-5x = 20 + 45

Combine like terms: 20 + 45 = 65
-5x = 65

Divide each side by '-5'.
x = -13

Simplifying
x = -13

See similar equations:

| 2-3x=103 | | 2(1+1.5b)=2+3b | | -34+3x=29+6x | | 5x+14=34 | | 9(1+2)=3(l-2) | | (4x-3)-8=4+2x | | -27=r*12-19 | | 6x-12=30 | | 6b^2+13b+2=0 | | 2a=3b+2 | | 3n+6=10n-1 | | 7(f+5)=9(f+3) | | (-.25+0.7)-(.60+.60)= | | -x+5=3 | | X^2+5x=-9 | | -1.5*4.3= | | X(3x^2+5x+4)=0 | | -2x+6=10 | | 6z-1=23 | | -18-16k=6(1+3k) | | 3x^3+5x^2+4x=0 | | 2x+3=7x-5 | | 2a+1=4a-9 | | -2y-32=5y-18 | | 10=-8+4n | | 8y-15=2 | | -x^2+5x+36= | | x^4-3x=0 | | 6x^2+6x=-1 | | 2(5x+1)=3x-9x | | -91-2x=12x+105 | | 7p-70=-21 |

Equations solver categories