15+5x(9+12)=45

Simple and best practice solution for 15+5x(9+12)=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 15+5x(9+12)=45 equation:


Simplifying
15 + 5x(9 + 12) = 45

Combine like terms: 9 + 12 = 21
15 + 5x(21) = 45

Reorder the terms for easier multiplication:
15 + 5 * 21x = 45

Multiply 5 * 21
15 + 105x = 45

Solving
15 + 105x = 45

Solving for variable 'x'.

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

Add '-15' to each side of the equation.
15 + -15 + 105x = 45 + -15

Combine like terms: 15 + -15 = 0
0 + 105x = 45 + -15
105x = 45 + -15

Combine like terms: 45 + -15 = 30
105x = 30

Divide each side by '105'.
x = 0.2857142857

Simplifying
x = 0.2857142857

See similar equations:

| 1/5•3.7 | | 7/8•7/12 | | 13+5x(9+12)=40 | | 13+5x(9+12)=45 | | 3x+18=50 | | 1/4x=6/5 | | 2(3x-7)=4x-18 | | 7x(3.2)x(4(1.5)-8)= | | 65x+30= | | 7x+4=x+40 | | 9-3a=7 | | x/2-6=-18 | | 8d+4d-2d-3-4d=0 | | 30x^2+2000=-20x^2-2050 | | 6(y+5)-5=55 | | 30(35x)+30= | | 7/x=10/7x= | | 11=5p-6-4p | | 4m/3=-2 | | 3.7*x-6.08=2.8 | | 3x^2+6x+18=6 | | 1+5x=6x+4 | | 8=-D+14 | | (25)^-3/2 | | 11x-5y=120 | | 24-4t=2t | | B+2A=18 | | 26x-121=175+18x | | 93+3x=180 | | 9x-1=4x-36 | | -5x+8=-6x+1 | | 30.7+(-1x)=20 |

Equations solver categories