9(0.4z-3)=-7(1.5z+9)

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Solution for 9(0.4z-3)=-7(1.5z+9) equation:


Simplifying
9(0.4z + -3) = -7(1.5z + 9)

Reorder the terms:
9(-3 + 0.4z) = -7(1.5z + 9)
(-3 * 9 + 0.4z * 9) = -7(1.5z + 9)
(-27 + 3.6z) = -7(1.5z + 9)

Reorder the terms:
-27 + 3.6z = -7(9 + 1.5z)
-27 + 3.6z = (9 * -7 + 1.5z * -7)
-27 + 3.6z = (-63 + -10.5z)

Solving
-27 + 3.6z = -63 + -10.5z

Solving for variable 'z'.

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

Add '10.5z' to each side of the equation.
-27 + 3.6z + 10.5z = -63 + -10.5z + 10.5z

Combine like terms: 3.6z + 10.5z = 14.1z
-27 + 14.1z = -63 + -10.5z + 10.5z

Combine like terms: -10.5z + 10.5z = 0.0
-27 + 14.1z = -63 + 0.0
-27 + 14.1z = -63

Add '27' to each side of the equation.
-27 + 27 + 14.1z = -63 + 27

Combine like terms: -27 + 27 = 0
0 + 14.1z = -63 + 27
14.1z = -63 + 27

Combine like terms: -63 + 27 = -36
14.1z = -36

Divide each side by '14.1'.
z = -2.553191489

Simplifying
z = -2.553191489

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