-84=-7(6+3z)

Simple and best practice solution for -84=-7(6+3z) 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 -84=-7(6+3z) equation:


Simplifying
-84 = -7(6 + 3z)
-84 = (6 * -7 + 3z * -7)
-84 = (-42 + -21z)

Solving
-84 = -42 + -21z

Solving for variable 'z'.

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

Add '21z' to each side of the equation.
-84 + 21z = -42 + -21z + 21z

Combine like terms: -21z + 21z = 0
-84 + 21z = -42 + 0
-84 + 21z = -42

Add '84' to each side of the equation.
-84 + 84 + 21z = -42 + 84

Combine like terms: -84 + 84 = 0
0 + 21z = -42 + 84
21z = -42 + 84

Combine like terms: -42 + 84 = 42
21z = 42

Divide each side by '21'.
z = 2

Simplifying
z = 2

See similar equations:

| f(n)=-2+-2n+2 | | 2(x+3)+5=4(2x-5)+7 | | 18x+48x-20=11(6x+12) | | 18-5x=33 | | 3(4x+2)=14x+3-2x+3 | | 2(x-3)-3(x-4)=-2(x-4) | | 4*x-2+4=8 | | y=0.5x+26 | | 3(12x+6)=36x-5 | | 115x+3=3x+35 | | 2.4y-16=.8(y+10) | | y=2(m-4)+7m | | -14=-3z | | 0.8x+7=-0.7x+1 | | 57/7x=9 | | 6x+30x-8=9(4x+9) | | 3x+14=5x-18 | | y=2(m-4)7m | | 10x-20=130 | | 168=-84a | | 5(7u)= | | 19=11+8(x-6) | | f(x)=-9x-3 | | -10=z-21 | | -4(n+1)=28 | | 0.06(3t-4)=0.18(t-2)+0.12 | | 3x-1=2x-(4-x) | | -0=z-21 | | 4c^2+19c+22=0 | | 2(x-4)=2x-12 | | 12p+p-6=20 | | -40=-5e |

Equations solver categories