.4(25z-30)=.75(12z+16)

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Solution for .4(25z-30)=.75(12z+16) equation:


Simplifying
0.4(25z + -30) = 0.75(12z + 16)

Reorder the terms:
0.4(-30 + 25z) = 0.75(12z + 16)
(-30 * 0.4 + 25z * 0.4) = 0.75(12z + 16)
(-12 + 10z) = 0.75(12z + 16)

Reorder the terms:
-12 + 10z = 0.75(16 + 12z)
-12 + 10z = (16 * 0.75 + 12z * 0.75)
-12 + 10z = (12 + 9z)

Solving
-12 + 10z = 12 + 9z

Solving for variable 'z'.

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

Add '-9z' to each side of the equation.
-12 + 10z + -9z = 12 + 9z + -9z

Combine like terms: 10z + -9z = 1z
-12 + 1z = 12 + 9z + -9z

Combine like terms: 9z + -9z = 0
-12 + 1z = 12 + 0
-12 + 1z = 12

Add '12' to each side of the equation.
-12 + 12 + 1z = 12 + 12

Combine like terms: -12 + 12 = 0
0 + 1z = 12 + 12
1z = 12 + 12

Combine like terms: 12 + 12 = 24
1z = 24

Divide each side by '1'.
z = 24

Simplifying
z = 24

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