-3(-3+7x)=-138

Simple and best practice solution for -3(-3+7x)=-138 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(-3+7x)=-138 equation: 


Simplifying
-3(-3 + 7x) = -138
(-3 * -3 + 7x * -3) = -138
(9 + -21x) = -138

Solving
9 + -21x = -138

Solving for variable 'x'.

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

Add '-9' to each side of the equation.
9 + -9 + -21x = -138 + -9

Combine like terms: 9 + -9 = 0
0 + -21x = -138 + -9
-21x = -138 + -9

Combine like terms: -138 + -9 = -147
-21x = -147

Divide each side by '-21'.
x = 7

Simplifying
x = 7

See similar equations:

| m-3.7=-0.28 | | 3(8+4n)=108 | | 5x-9=47-9x | | Y=3x+2x | | n+5.2=4.7 | | .166(3x-63)=4x | | 12+p=56 | | 9-7+3-2z= | | 1-9r=136 | | 4.6-2x=-5.2 | | 3(3)-6y=66 | | 2.5x+7.3=4.9 | | 3b^2=-2+7b | | 27x^2+730x+27=0 | | X+2.2=7.8 | | 4(x+16)=12 | | 57=-3(-9+v) | | 16x+10=9y-3x | | 7(x+6)=87.5 | | x+1.6=100 | | 5(x+3)+27=-2x | | 17=-10+3r | | m+8.7=12.56 | | 7x+9-5x=4 | | .25x-80=2x-10 | | 3a+7a-15=6a-a-80 | | m/7.9=-4.7 | | 12=13x-7-8x | | f(x)=x^3+x^2+px+q | | 45k=45 | | 3x-6+2x=2x+2.4 | | 4f(f+5)=0 |

Equations solver categories