3x+9=45

Simple and best practice solution for 3x+9=45 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 3x+9=45 equation: 


Simplifying
3x + 9 = 45

Reorder the terms:
9 + 3x = 45

Solving
9 + 3x = 45

Solving for variable 'x'.

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

Add '-9' to each side of the equation.
9 + -9 + 3x = 45 + -9

Combine like terms: 9 + -9 = 0
0 + 3x = 45 + -9
3x = 45 + -9

Combine like terms: 45 + -9 = 36
3x = 36

Divide each side by '3'.
x = 12

Simplifying
x = 12

See similar equations:

| 4x+35=11x-49 | | 13x^2-13x-10=0 | | 8x+4=58-x | | 64=4p | | 42-4x=5x+19 | | 3x^2-13x=10 | | 14-10x=89-31x | | -84-10x=10x+16 | | -5x+8=-4 | | 4x+14=-116-x | | -(2+0.1x)=-x-2(0.2+x) | | 2u+3=7u+18 | | 5b^2=-2b+7 | | 7u+(-u)= | | -3+(6z+8)=-(-2z+4)-7 | | 7u-2u= | | x^2-9x+5=0 | | 2x+12=5x-1 | | f(0)=4x(x-11)(x+7) | | -6-8(-6y-7)=7(4y+9)+4 | | 8-x=18-3x | | Y^2+4y+4=4 | | 7u-u= | | 4x^4-x^2=0 | | 2+8x=57-3x | | 3(3x+5)=7(x+4)+5 | | 3x+23=7x-1 | | x^3+9x^2+3x+27=0 | | A=p(1+nr) | | 8(3x-5)=7(x-5)+9 | | 8+12x=74+x | | 33+7x=23+2x |

Equations solver categories