-21+-15=x

Simple and best practice solution for -21+-15=x 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 -21+-15=x equation:


Simplifying
-21 + -15 = x

Combine like terms: -21 + -15 = -36
-36 = x

Solving
-36 = x

Solving for variable 'x'.

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

Add '-1x' to each side of the equation.
-36 + -1x = x + -1x

Combine like terms: x + -1x = 0
-36 + -1x = 0

Add '36' to each side of the equation.
-36 + 36 + -1x = 0 + 36

Combine like terms: -36 + 36 = 0
0 + -1x = 0 + 36
-1x = 0 + 36

Combine like terms: 0 + 36 = 36
-1x = 36

Divide each side by '-1'.
x = -36

Simplifying
x = -36

See similar equations:

| -9(8x)= | | 5x/8=6 | | (-5r^4s^2)(9s^3-7r+4)= | | 5(7x-6)-4=35x-34 | | (-5r^4)(s^2)(9s^3-7r+4)= | | 2x^-2/3x | | -31=x-19 | | -7x+11=116 | | (1+100/100*(100/100-0.14)/3.4)=5 | | x-0.2=5 | | 1/2x-2/3x=4x | | 36x+6=27-3x | | (1+100/100*(100/100-0.14)/3.4) | | x-0.2x=5 | | 41x+599x-87=41(40x+61) | | -7x+11=16 | | 3x+x+7=8x-4x+7 | | 36*4/9 | | -4=k-7+1 | | -4a-27=3(7a+1)-5 | | 3(6x+9)+4x=82 | | 3x+19=13x-21 | | (1/x)+(6/(x-4))=0 | | -6(8+3x)=-102 | | 8a*4-2a*3-6a*2=0 | | 4(3x+2)+100=14x+5-2x+103 | | -14+8x=2x-6+4 | | 3n+2=(-2n)-8 | | 5(3x+4)+4x=24 | | -12b+b=3b+30 | | 12x+30=6x-4 | | t=6+-0.6666666667T |

Equations solver categories