6.4+2.4(z-2)=8.5

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Solution for 6.4+2.4(z-2)=8.5 equation:


Simplifying
6.4 + 2.4(z + -2) = 8.5

Reorder the terms:
6.4 + 2.4(-2 + z) = 8.5
6.4 + (-2 * 2.4 + z * 2.4) = 8.5
6.4 + (-4.8 + 2.4z) = 8.5

Combine like terms: 6.4 + -4.8 = 1.6
1.6 + 2.4z = 8.5

Solving
1.6 + 2.4z = 8.5

Solving for variable 'z'.

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

Add '-1.6' to each side of the equation.
1.6 + -1.6 + 2.4z = 8.5 + -1.6

Combine like terms: 1.6 + -1.6 = 0.0
0.0 + 2.4z = 8.5 + -1.6
2.4z = 8.5 + -1.6

Combine like terms: 8.5 + -1.6 = 6.9
2.4z = 6.9

Divide each side by '2.4'.
z = 2.875

Simplifying
z = 2.875

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