0.7z+0.3z=2z-4

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Solution for 0.7z+0.3z=2z-4 equation:


Simplifying
0.7z + 0.3z = 2z + -4

Combine like terms: 0.7z + 0.3z = 1z
1z = 2z + -4

Reorder the terms:
1z = -4 + 2z

Solving
1z = -4 + 2z

Solving for variable 'z'.

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

Add '-2z' to each side of the equation.
1z + -2z = -4 + 2z + -2z

Combine like terms: 1z + -2z = -1z
-1z = -4 + 2z + -2z

Combine like terms: 2z + -2z = 0
-1z = -4 + 0
-1z = -4

Divide each side by '-1'.
z = 4

Simplifying
z = 4

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