78=x+2x+15

Simple and best practice solution for 78=x+2x+15 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 78=x+2x+15 equation:


Simplifying
78 = x + 2x + 15

Reorder the terms:
78 = 15 + x + 2x

Combine like terms: x + 2x = 3x
78 = 15 + 3x

Solving
78 = 15 + 3x

Solving for variable 'x'.

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

Add '-3x' to each side of the equation.
78 + -3x = 15 + 3x + -3x

Combine like terms: 3x + -3x = 0
78 + -3x = 15 + 0
78 + -3x = 15

Add '-78' to each side of the equation.
78 + -78 + -3x = 15 + -78

Combine like terms: 78 + -78 = 0
0 + -3x = 15 + -78
-3x = 15 + -78

Combine like terms: 15 + -78 = -63
-3x = -63

Divide each side by '-3'.
x = 21

Simplifying
x = 21

See similar equations:

| 2rs-9r+s-3rs+10r-s= | | 5r-2r+7=49 | | 0.5(7x+48)=-(.5x-3)+4(x+5) | | 1/4x-3=1.2 | | 1/2x-1=2.333 | | 0.5(7x+48)=0.5(13x+50) | | 24=l+20 | | 78=2x+15 | | y=-1.5x+25 | | 0.5(7x+48)=5x+30 | | 4n+2n=114 | | 96=2x+2(x+14) | | Y=-0.2-7+7 | | t/6-7=10 | | y=(2x^2-9)(3x+5) | | x^2=-1/3 | | 3n^2+6n-78=-6 | | 20m+13=93 | | 1.5d+4.75=1+2.25d | | 8p+8whenp=9 | | 101.68=x-.18x | | 5(7x/48) | | -x^4-2x^2+4=0 | | 2+x=12-9 | | 9p^2-5p-19=p | | 7(3-2y)-2(8-5x)=x | | 18x-7=14x+9 | | 23.04=x+.05x | | 6x^2+9x-15x=0 | | 18x-7=14+9 | | (6X^2-5X+8)-1(X^2+7X-1)= | | 23.04=x+.05 |

Equations solver categories