-(z+9)+(2z+1)=7(z+1)

Simple and best practice solution for -(z+9)+(2z+1)=7(z+1) 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 -(z+9)+(2z+1)=7(z+1) equation:


Simplifying
-1(z + 9) + (2z + 1) = 7(z + 1)

Reorder the terms:
-1(9 + z) + (2z + 1) = 7(z + 1)
(9 * -1 + z * -1) + (2z + 1) = 7(z + 1)
(-9 + -1z) + (2z + 1) = 7(z + 1)

Reorder the terms:
-9 + -1z + (1 + 2z) = 7(z + 1)

Remove parenthesis around (1 + 2z)
-9 + -1z + 1 + 2z = 7(z + 1)

Reorder the terms:
-9 + 1 + -1z + 2z = 7(z + 1)

Combine like terms: -9 + 1 = -8
-8 + -1z + 2z = 7(z + 1)

Combine like terms: -1z + 2z = 1z
-8 + 1z = 7(z + 1)

Reorder the terms:
-8 + 1z = 7(1 + z)
-8 + 1z = (1 * 7 + z * 7)
-8 + 1z = (7 + 7z)

Solving
-8 + 1z = 7 + 7z

Solving for variable 'z'.

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

Add '-7z' to each side of the equation.
-8 + 1z + -7z = 7 + 7z + -7z

Combine like terms: 1z + -7z = -6z
-8 + -6z = 7 + 7z + -7z

Combine like terms: 7z + -7z = 0
-8 + -6z = 7 + 0
-8 + -6z = 7

Add '8' to each side of the equation.
-8 + 8 + -6z = 7 + 8

Combine like terms: -8 + 8 = 0
0 + -6z = 7 + 8
-6z = 7 + 8

Combine like terms: 7 + 8 = 15
-6z = 15

Divide each side by '-6'.
z = -2.5

Simplifying
z = -2.5

See similar equations:

| 7+4t-(3t+6)-(5t+9)= | | 2x+5-7x+4=5x-18 | | (3x-1)(5x+20)= | | 2(8-9)-4X=100 | | 64x^8-148x^4+9=0 | | 360x^2-36t+8=0 | | 4=3y+7 | | 6x+4y=-22 | | -9(t-5)-(t+7)=10 | | X(3.8)=9(4)-9x | | -38=-8+5w | | 3a^3= | | (x-8)+(x-3)+(x+7)=180 | | 256x^8-160x^4+9=0 | | 56-u=281 | | 6(2x)=82 | | 9+8(x-8)=6-2(x-4) | | (-6-3i)+(-8-I)= | | 16x^10-72x^6+81x^2=0 | | 16x^10-72x^2+8=0 | | 2(2x+5)=4x+3 | | 187=-u+25 | | 6(2x)+2=84 | | 152-x=236 | | 25x^8-116x^4+64=0 | | 8x^2+20xy-12y^2= | | 8x+13y=102 | | (4x-pi)= | | 5x+4-x=20 | | -y+294=135 | | -18n+12=-16n-6 | | 25x^8-116x^4+16=0 |

Equations solver categories