.3(3z+7)+22.5=.6(3z-4)

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Solution for .3(3z+7)+22.5=.6(3z-4) equation:


Simplifying
0.3(3z + 7) + 22.5 = 0.6(3z + -4)

Reorder the terms:
0.3(7 + 3z) + 22.5 = 0.6(3z + -4)
(7 * 0.3 + 3z * 0.3) + 22.5 = 0.6(3z + -4)
(2.1 + 0.9z) + 22.5 = 0.6(3z + -4)

Reorder the terms:
2.1 + 22.5 + 0.9z = 0.6(3z + -4)

Combine like terms: 2.1 + 22.5 = 24.6
24.6 + 0.9z = 0.6(3z + -4)

Reorder the terms:
24.6 + 0.9z = 0.6(-4 + 3z)
24.6 + 0.9z = (-4 * 0.6 + 3z * 0.6)
24.6 + 0.9z = (-2.4 + 1.8z)

Solving
24.6 + 0.9z = -2.4 + 1.8z

Solving for variable 'z'.

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

Add '-1.8z' to each side of the equation.
24.6 + 0.9z + -1.8z = -2.4 + 1.8z + -1.8z

Combine like terms: 0.9z + -1.8z = -0.9z
24.6 + -0.9z = -2.4 + 1.8z + -1.8z

Combine like terms: 1.8z + -1.8z = 0.0
24.6 + -0.9z = -2.4 + 0.0
24.6 + -0.9z = -2.4

Add '-24.6' to each side of the equation.
24.6 + -24.6 + -0.9z = -2.4 + -24.6

Combine like terms: 24.6 + -24.6 = 0.0
0.0 + -0.9z = -2.4 + -24.6
-0.9z = -2.4 + -24.6

Combine like terms: -2.4 + -24.6 = -27
-0.9z = -27

Divide each side by '-0.9'.
z = 30

Simplifying
z = 30

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