-21*(-3x-12)=16x+17

Simple and best practice solution for -21*(-3x-12)=16x+17 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*(-3x-12)=16x+17 equation:


Simplifying
-21(-3x + -12) = 16x + 17

Reorder the terms:
-21(-12 + -3x) = 16x + 17
(-12 * -21 + -3x * -21) = 16x + 17
(252 + 63x) = 16x + 17

Reorder the terms:
252 + 63x = 17 + 16x

Solving
252 + 63x = 17 + 16x

Solving for variable 'x'.

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

Add '-16x' to each side of the equation.
252 + 63x + -16x = 17 + 16x + -16x

Combine like terms: 63x + -16x = 47x
252 + 47x = 17 + 16x + -16x

Combine like terms: 16x + -16x = 0
252 + 47x = 17 + 0
252 + 47x = 17

Add '-252' to each side of the equation.
252 + -252 + 47x = 17 + -252

Combine like terms: 252 + -252 = 0
0 + 47x = 17 + -252
47x = 17 + -252

Combine like terms: 17 + -252 = -235
47x = -235

Divide each side by '47'.
x = -5

Simplifying
x = -5

See similar equations:

| -2x^2+1000x=19200 | | -x^4+12x^3-77x^2+600x-1350=0 | | 18*(7x+5)=26x-10 | | 15*(24-4x)=-7x-11 | | (3x+7)/2=(8x+7)/3 | | -19*(-x-15)=19-19x | | 4y-(y-4)=-12 | | 7*(-4x-24)=16x+8 | | 4-(6x+15)=7-2(3x+4) | | -4*(5x+5)=-17x-26 | | 72x^2+32z^2-9y^2+36=0 | | -13*(2x+12)=24-8x | | -27*(-15x+30)=11x-22 | | 6x+3y=1024 | | -2*(-12x+6)=21x+12 | | w(13w+4)=9 | | 9s+s^2+14=0 | | -10*(-18x-19)=-7x+3 | | 9(2x)=3 | | -2*(-7x-30)=10x+24 | | 7*(-8x+14)=-28x+14 | | 3x-2+2x+3+x+8=180 | | -9*(-2x+8)=4x+12 | | -z/3=12 | | -5*(4x+11)=-30x+25 | | 18-6x=6x+52 | | -4*(11x-17)=-20x-28 | | 63x-18-4x=17+59x-35 | | 6x-28=4x+18 | | 3x-9-2x=x+8 | | 7(a-3)=21 | | 6x+6=x+3 |

Equations solver categories