-13z+2.1(3+6z)=6.7

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Solution for -13z+2.1(3+6z)=6.7 equation: 


Simplifying
-13z + 2.1(3 + 6z) = 6.7
-13z + (3 * 2.1 + 6z * 2.1) = 6.7
-13z + (6.3 + 12.6z) = 6.7

Reorder the terms:
6.3 + -13z + 12.6z = 6.7

Combine like terms: -13z + 12.6z = -0.4z
6.3 + -0.4z = 6.7

Solving
6.3 + -0.4z = 6.7

Solving for variable 'z'.

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

Add '-6.3' to each side of the equation.
6.3 + -6.3 + -0.4z = 6.7 + -6.3

Combine like terms: 6.3 + -6.3 = 0.0
0.0 + -0.4z = 6.7 + -6.3
-0.4z = 6.7 + -6.3

Combine like terms: 6.7 + -6.3 = 0.4
-0.4z = 0.4

Divide each side by '-0.4'.
z = -1

Simplifying
z = -1

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