-7(3x-6)=12x-30-15x

Simple and best practice solution for -7(3x-6)=12x-30-15x 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 -7(3x-6)=12x-30-15x equation:


Simplifying
-7(3x + -6) = 12x + -30 + -15x

Reorder the terms:
-7(-6 + 3x) = 12x + -30 + -15x
(-6 * -7 + 3x * -7) = 12x + -30 + -15x
(42 + -21x) = 12x + -30 + -15x

Reorder the terms:
42 + -21x = -30 + 12x + -15x

Combine like terms: 12x + -15x = -3x
42 + -21x = -30 + -3x

Solving
42 + -21x = -30 + -3x

Solving for variable 'x'.

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

Add '3x' to each side of the equation.
42 + -21x + 3x = -30 + -3x + 3x

Combine like terms: -21x + 3x = -18x
42 + -18x = -30 + -3x + 3x

Combine like terms: -3x + 3x = 0
42 + -18x = -30 + 0
42 + -18x = -30

Add '-42' to each side of the equation.
42 + -42 + -18x = -30 + -42

Combine like terms: 42 + -42 = 0
0 + -18x = -30 + -42
-18x = -30 + -42

Combine like terms: -30 + -42 = -72
-18x = -72

Divide each side by '-18'.
x = 4

Simplifying
x = 4

See similar equations:

| 2.19-(-0.984)= | | S×7/8=-10 | | 5+19= | | 4n+5+8n=180 | | 3x+20+5=6x-15 | | 2x+x+10+x=212 | | k^2+9k-28=0 | | 2x+x+10+x=207 | | X/-3=4.36 | | (5x-4)+(5x-2)= | | cos(2x)+sin(x)cos(x)=0 | | 2x+x+10+x=208 | | 2x+x+10+x=216 | | (8+x)(12+x)=192 | | 4x-1=11x+4 | | y=9.00+0.75(5) | | -22x+30=-12 | | x+3=69-5x | | 3(2x-7)=4(x-10) | | 7y+15=36 | | -9(X-7)-(9x-3)=-19x | | 5(y-4)+j=-8 | | xsquared+20x-16=-6 | | 4x+x+20+x=426 | | -0.5(p+2)=-3-p | | 9=9.00+0.75x | | 10/16=112 | | 2x+x+21+x=426 | | y=9.00+0.75(2) | | 10x-9+3x-5=9x-4+3x | | y=9.00+0.75(1) | | 6k^2-7k=124 |

Equations solver categories