12x+3x=90

Simple and best practice solution for 12x+3x=90 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 12x+3x=90 equation: 


Simplifying
12x + 3x = 90

Combine like terms: 12x + 3x = 15x
15x = 90

Solving
15x = 90

Solving for variable 'x'.

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

Divide each side by '15'.
x = 6

Simplifying
x = 6

See similar equations:

| (2xy+x^3)dx+(x^2+y^2)dy=0 | | 10y=7x+3 | | x^2+32i=0 | | b/11=6.3 | | 1.25+0.75x=20 | | 1.45+3w=433 | | 3.5q=84 | | 15.36=u/6 | | -2x+34=x+10 | | -2(5-x)=7(4+2x)-2 | | 4x^2+21x+35=0 | | w-28=7 | | x/6-5=9-(-13) | | ln(x)-ln(x-4)=ln(71) | | 3t^2-8t-5=0 | | 7+r=10 | | X^4-4x^3-8x^2+24x+27=0 | | r+19=31 | | 6.99+55s=11.94 | | -4x+8=-8(x+3) | | 2x+3A-2B=A | | x-5y=64 | | 4a-2b+c=1 | | -3(w-7)=-5w+37 | | -4u-41=7(u-9) | | 12-j=5 | | 6v+6(v+5)=18 | | °C=(5/9)(98.6) | | 16u+-1=-17 | | 5(x-7)-8x=-38 | | -7y+4(y+8)=29 | | 12c-12=144 |

Equations solver categories