-7(4+3x)-8(x+7)=12

Simple and best practice solution for -7(4+3x)-8(x+7)=12 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(4+3x)-8(x+7)=12 equation:


Simplifying
-7(4 + 3x) + -8(x + 7) = 12
(4 * -7 + 3x * -7) + -8(x + 7) = 12
(-28 + -21x) + -8(x + 7) = 12

Reorder the terms:
-28 + -21x + -8(7 + x) = 12
-28 + -21x + (7 * -8 + x * -8) = 12
-28 + -21x + (-56 + -8x) = 12

Reorder the terms:
-28 + -56 + -21x + -8x = 12

Combine like terms: -28 + -56 = -84
-84 + -21x + -8x = 12

Combine like terms: -21x + -8x = -29x
-84 + -29x = 12

Solving
-84 + -29x = 12

Solving for variable 'x'.

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

Add '84' to each side of the equation.
-84 + 84 + -29x = 12 + 84

Combine like terms: -84 + 84 = 0
0 + -29x = 12 + 84
-29x = 12 + 84

Combine like terms: 12 + 84 = 96
-29x = 96

Divide each side by '-29'.
x = -3.310344828

Simplifying
x = -3.310344828

See similar equations:

| 5a+15=3a-3 | | -113+10x=-x+140 | | y=3(24) | | 7y-3y-5=7 | | m/-7=-7 | | 43=k+2 | | 2(4t-7)=13t+8 | | 7(5+x)=56 | | 4(2n-5)=(5n+1)+8 | | x/-9=10 | | 45x=55(x-40) | | 157-11x=69 | | 4+5(y-4)=20 | | 5f+1=6f-8 | | 55x=45(x-40) | | -2(t-2)+9t=5t-1 | | 4x-23=12x+9 | | lg(1.5x+14)+lg(2)=0.5*lg(x^4) | | 3x+81=126 | | 11f-4=2f+23 | | 4(2x+5)=-38+10 | | Xlnx=-2 | | 5x+5=60-40 | | f(n)=10n-3 | | 11g+4=7g+28 | | r-1.3=8.8 | | 12x+36=140 | | 5f=2+6f-4 | | 2sqrt(4x-7)-sqrt(5x+6)=20 | | 4+5x=4x-4 | | 1/4-25=3/4x-5 | | p/10=1000 |

Equations solver categories