-2.1(z-1.5)=0.4(2-3)

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Solution for -2.1(z-1.5)=0.4(2-3) equation: 


Simplifying
-2.1(z + -1.5) = 0.4(2 + -3)

Reorder the terms:
-2.1(-1.5 + z) = 0.4(2 + -3)
(-1.5 * -2.1 + z * -2.1) = 0.4(2 + -3)
(3.15 + -2.1z) = 0.4(2 + -3)

Combine like terms: 2 + -3 = -1
3.15 + -2.1z = 0.4(-1)

Multiply 0.4 * -1
3.15 + -2.1z = -0.4

Solving
3.15 + -2.1z = -0.4

Solving for variable 'z'.

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

Add '-3.15' to each side of the equation.
3.15 + -3.15 + -2.1z = -0.4 + -3.15

Combine like terms: 3.15 + -3.15 = 0.00
0.00 + -2.1z = -0.4 + -3.15
-2.1z = -0.4 + -3.15

Combine like terms: -0.4 + -3.15 = -3.55
-2.1z = -3.55

Divide each side by '-2.1'.
z = 1.69047619

Simplifying
z = 1.69047619

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