3a-42=3a-12

Simple and best practice solution for 3a-42=3a-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 3a-42=3a-12 equation: 


Simplifying
3a + -42 = 3a + -12

Reorder the terms:
-42 + 3a = 3a + -12

Reorder the terms:
-42 + 3a = -12 + 3a

Add '-3a' to each side of the equation.
-42 + 3a + -3a = -12 + 3a + -3a

Combine like terms: 3a + -3a = 0
-42 + 0 = -12 + 3a + -3a
-42 = -12 + 3a + -3a

Combine like terms: 3a + -3a = 0
-42 = -12 + 0
-42 = -12

Solving
-42 = -12

Couldn't find a variable to solve for.

This equation is invalid, the left and right sides are not equal, therefore there is no solution.

See similar equations:

| -16t^2+64t+224=0 | | 15x+4=34 | | -12x+3y+21=0 | | 3c+12=6c+9.99 | | 6(2x+1)+6(2x+1)=180 | | b+0.07=1.07b | | k+13=6 | | 3.1a-3.9=3.54 | | 42x^2-34x-6=0 | | Y=3.78x-21 | | 7/8x65 | | 2(6e+6)=4(3e+3) | | -6p^2+864=0 | | 3/6x10 | | 0=-4t^2+15t+4 | | 4x+6=8x+5-7x | | 9.2m+4.66=-35.82 | | X*4-40=16 | | 2/3y=6-5/6y | | -x-2x-3x+4=-68 | | -8.7m=-322.77 | | X=(1/2)(18-8y) | | -15+-8x=15 | | 0.2n=-32 | | 7(a+8)= | | x/2=1/2(8-3) | | 7.35=15s | | 7y-6=2y+17 | | 8[x-3]=8x-24 | | 0.4(x+100)=0.47x-485 | | 5=r-0.005 | | -81.3+n=-88 |

Equations solver categories