7(z-12)=3(z-13)

Simple and best practice solution for 7(z-12)=3(z-13) 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(z-12)=3(z-13) equation:


Simplifying
7(z + -12) = 3(z + -13)

Reorder the terms:
7(-12 + z) = 3(z + -13)
(-12 * 7 + z * 7) = 3(z + -13)
(-84 + 7z) = 3(z + -13)

Reorder the terms:
-84 + 7z = 3(-13 + z)
-84 + 7z = (-13 * 3 + z * 3)
-84 + 7z = (-39 + 3z)

Solving
-84 + 7z = -39 + 3z

Solving for variable 'z'.

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

Add '-3z' to each side of the equation.
-84 + 7z + -3z = -39 + 3z + -3z

Combine like terms: 7z + -3z = 4z
-84 + 4z = -39 + 3z + -3z

Combine like terms: 3z + -3z = 0
-84 + 4z = -39 + 0
-84 + 4z = -39

Add '84' to each side of the equation.
-84 + 84 + 4z = -39 + 84

Combine like terms: -84 + 84 = 0
0 + 4z = -39 + 84
4z = -39 + 84

Combine like terms: -39 + 84 = 45
4z = 45

Divide each side by '4'.
z = 11.25

Simplifying
z = 11.25

See similar equations:

| 7n-1=64-8n | | 6-(3x+5)=9x-3(4x+1)+2 | | 6-9x=6x-10x-9 | | 11y+0.04(y+3000)=1470 | | S+g= | | 32=0.5(3+x)8 | | 14y+x=180 | | 12+5x+25=59 | | 3(x+5)-4(6-2x)=7x+9-(-2x) | | 4+2y=9+22y | | 4d+2(4d+7)=106 | | -2+(-4)-(-4)= | | 5x-3+2x=18 | | -3(1-6n)=-111 | | 4x^4-2x^2=0 | | 6b-8=12+2b | | df-9h=5 | | 36-4u=12 | | 6b-a=7 | | 5=m-1(-12) | | 7-(2n-6)=4-3n | | 3a+8=4a-10 | | 2+(-4)-(-4)= | | 9(3h-18)=5(10) | | 26-14=2(x-2) | | 50=5-10x | | 5y=10+n | | 1-7x=-55 | | 2w-w=14 | | 44=11x-4 | | 6x+85=60x | | -5.1(1-1.1m)-5.6m=-4(1+4.4m) |

Equations solver categories