4z-9+2(z-6)=5z-7

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Solution for 4z-9+2(z-6)=5z-7 equation:


Simplifying
4z + -9 + 2(z + -6) = 5z + -7

Reorder the terms:
4z + -9 + 2(-6 + z) = 5z + -7
4z + -9 + (-6 * 2 + z * 2) = 5z + -7
4z + -9 + (-12 + 2z) = 5z + -7

Reorder the terms:
-9 + -12 + 4z + 2z = 5z + -7

Combine like terms: -9 + -12 = -21
-21 + 4z + 2z = 5z + -7

Combine like terms: 4z + 2z = 6z
-21 + 6z = 5z + -7

Reorder the terms:
-21 + 6z = -7 + 5z

Solving
-21 + 6z = -7 + 5z

Solving for variable 'z'.

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

Add '-5z' to each side of the equation.
-21 + 6z + -5z = -7 + 5z + -5z

Combine like terms: 6z + -5z = 1z
-21 + 1z = -7 + 5z + -5z

Combine like terms: 5z + -5z = 0
-21 + 1z = -7 + 0
-21 + 1z = -7

Add '21' to each side of the equation.
-21 + 21 + 1z = -7 + 21

Combine like terms: -21 + 21 = 0
0 + 1z = -7 + 21
1z = -7 + 21

Combine like terms: -7 + 21 = 14
1z = 14

Divide each side by '1'.
z = 14

Simplifying
z = 14

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