2.85z-7=12.85z-2

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Solution for 2.85z-7=12.85z-2 equation:


Simplifying
2.85z + -7 = 12.85z + -2

Reorder the terms:
-7 + 2.85z = 12.85z + -2

Reorder the terms:
-7 + 2.85z = -2 + 12.85z

Solving
-7 + 2.85z = -2 + 12.85z

Solving for variable 'z'.

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

Add '-12.85z' to each side of the equation.
-7 + 2.85z + -12.85z = -2 + 12.85z + -12.85z

Combine like terms: 2.85z + -12.85z = -10z
-7 + -10z = -2 + 12.85z + -12.85z

Combine like terms: 12.85z + -12.85z = 0.00
-7 + -10z = -2 + 0.00
-7 + -10z = -2

Add '7' to each side of the equation.
-7 + 7 + -10z = -2 + 7

Combine like terms: -7 + 7 = 0
0 + -10z = -2 + 7
-10z = -2 + 7

Combine like terms: -2 + 7 = 5
-10z = 5

Divide each side by '-10'.
z = -0.5

Simplifying
z = -0.5

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