z-6.4z-1.9=-4.9(7+6)

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Solution for z-6.4z-1.9=-4.9(7+6) equation: 


Simplifying
z + -6.4z + -1.9 = -4.9(7 + 6)

Reorder the terms:
-1.9 + z + -6.4z = -4.9(7 + 6)

Combine like terms: z + -6.4z = -5.4z
-1.9 + -5.4z = -4.9(7 + 6)

Combine like terms: 7 + 6 = 13
-1.9 + -5.4z = -4.9(13)

Multiply -4.9 * 13
-1.9 + -5.4z = -63.7

Solving
-1.9 + -5.4z = -63.7

Solving for variable 'z'.

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

Add '1.9' to each side of the equation.
-1.9 + 1.9 + -5.4z = -63.7 + 1.9

Combine like terms: -1.9 + 1.9 = 0.0
0.0 + -5.4z = -63.7 + 1.9
-5.4z = -63.7 + 1.9

Combine like terms: -63.7 + 1.9 = -61.8
-5.4z = -61.8

Divide each side by '-5.4'.
z = 11.44444444

Simplifying
z = 11.44444444

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