3(-10)-9=21

Simple and best practice solution for 3(-10)-9=21 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 3(-10)-9=21 equation: 


Simplifying
3(-10) + -9 = 21

Multiply 3 * -10
-30 + -9 = 21

Combine like terms: -30 + -9 = -39
-39 = 21

Solving
-39 = 21

Couldn't find a variable to solve for.

This equation is invalid, the left and right sides are not equal, therefore there is no solution.

See similar equations:

| 22+-42=4(x+-1) | | 11=7-4x | | 2(m+4)=20 | | 5p^2-48p+64=0 | | -3=-3(7x+8) | | 3x^2+5x+20=0 | | -x-(113+4x)=-3(5-9x)+2 | | -42=6b | | 3x-4=6x-3x-4 | | 5n+1=5n+-1 | | 12=n-56 | | 4-13X=10+11X | | .05x-2.25=.3(x-5) | | (5x+15)=6x | | (1-7n)5=0 | | -38-8x=-7x+7(6-3x) | | (x+10)=(4x-20) | | -6x+6(-0.6666666667)=6 | | x+3=7-x | | 8-16X=12+6X | | -8(3v-5)-6v=-140 | | 3y-5+y+43=8y+40-6y | | 4(x-4)-3x=.5(2x-8) | | x^2+14x=-13 | | 15a=-60 | | -(6+2m)=-(m+3)-5 | | y+0.26+3y=0.98 | | -n+24=5-n | | 11-(10x-19)+8x=12(x+14)+8 | | .8(x-6)=12.8 | | 4+-7m=3m+4 | | x+2y+3z=12 |

Equations solver categories