3x+12=-7x-28

Simple and best practice solution for 3x+12=-7x-28 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+12=-7x-28 equation:


Simplifying
3x + 12 = -7x + -28

Reorder the terms:
12 + 3x = -7x + -28

Reorder the terms:
12 + 3x = -28 + -7x

Solving
12 + 3x = -28 + -7x

Solving for variable 'x'.

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

Add '7x' to each side of the equation.
12 + 3x + 7x = -28 + -7x + 7x

Combine like terms: 3x + 7x = 10x
12 + 10x = -28 + -7x + 7x

Combine like terms: -7x + 7x = 0
12 + 10x = -28 + 0
12 + 10x = -28

Add '-12' to each side of the equation.
12 + -12 + 10x = -28 + -12

Combine like terms: 12 + -12 = 0
0 + 10x = -28 + -12
10x = -28 + -12

Combine like terms: -28 + -12 = -40
10x = -40

Divide each side by '10'.
x = -4

Simplifying
x = -4

See similar equations:

| -x^3-x^2+11x-10=0 | | 4x+1=+2x-7 | | 10x^2-4x=8 | | (6x+5)(x-11)=0 | | (x*100)/48669.12=60 | | 9/8/3/5 | | (x*100)/48669.12=0.6 | | (1-2y)*(((1-y)*(1-y))+y^2)=5 | | (1-2y)*(((1-2y)*(1-2y))+y^2)=5 | | x^2-18=6x | | (1-2y)*(((1-y)*(1-2y))+y^2)=5 | | x^4-y^4=5 | | 9+5y=4y | | 4y^3-6y^2+4y+4=0 | | 3(y+2)=3y-1 | | -7+5=-7 | | L=3a+2c | | 5x(8x+30y-65)= | | -2-2=4 | | 0-(-4)=4 | | -4-0=-4 | | 16x-19=113-6 | | -9+7=25+2(5-x) | | 41-8=-6x-23 | | 5/9x-3=2/3x-5 | | x^3+3x^2-4x+5=0 | | x+1=-x+2 | | 2x*2+46=22 | | 8m/5 | | 2x^(6/5)=5x^(3/5)-2 | | 4x+8y=21 | | x=6x^(1/2)-8 |

Equations solver categories