8-7(1+9z)=-31

Simple and best practice solution for 8-7(1+9z)=-31 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 8-7(1+9z)=-31 equation:


Simplifying
8 + -7(1 + 9z) = -31
8 + (1 * -7 + 9z * -7) = -31
8 + (-7 + -63z) = -31

Combine like terms: 8 + -7 = 1
1 + -63z = -31

Solving
1 + -63z = -31

Solving for variable 'z'.

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

Add '-1' to each side of the equation.
1 + -1 + -63z = -31 + -1

Combine like terms: 1 + -1 = 0
0 + -63z = -31 + -1
-63z = -31 + -1

Combine like terms: -31 + -1 = -32
-63z = -32

Divide each side by '-63'.
z = 0.5079365079

Simplifying
z = 0.5079365079

See similar equations:

| -2b=-178 | | 6n+8(4n+6)= | | =.3x^2-48.6x+13500 | | x-4.4=13.7 | | 4+.33x=-5 | | x+19+3x-15= | | 2x^2-9=-59 | | 100+25s^2-50s=0 | | 100+25s-50s=0 | | 5[2x-5(3x+y)]= | | 10h^2-15h-70=0 | | 14=11x+14 | | Cos^2(2t)-ain^2(2t)=cos^2(2t)-1 | | x^2+14x+31=-9 | | (x^2+6xy-3y^2)dx+(2xy-3y^2)dy=0 | | y+8+2y=2(y-6) | | c-45=-7 | | 27y^3+18y^2-81y=0 | | -6squared= | | 5.2x=-3.2x | | 4x+22=3+7x-5 | | -2(4+6r)= | | f(7)=9x-24 | | 5x+4-2=28 | | 7x+17=8x+10 | | 6*-2-3y=-9 | | (X-3)-(2x-12)=14 | | 3x-7+5x-5=180 | | 2x=50-4 | | -2x(x-1)=3x | | 3[x-4]=6 | | -8(1+8r)=520 |

Equations solver categories