.8(z+3)=.07(z+4)

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Solution for .8(z+3)=.07(z+4) equation:


Simplifying
0.8(z + 3) = 0.07(z + 4)

Reorder the terms:
0.8(3 + z) = 0.07(z + 4)
(3 * 0.8 + z * 0.8) = 0.07(z + 4)
(2.4 + 0.8z) = 0.07(z + 4)

Reorder the terms:
2.4 + 0.8z = 0.07(4 + z)
2.4 + 0.8z = (4 * 0.07 + z * 0.07)
2.4 + 0.8z = (0.28 + 0.07z)

Solving
2.4 + 0.8z = 0.28 + 0.07z

Solving for variable 'z'.

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

Add '-0.07z' to each side of the equation.
2.4 + 0.8z + -0.07z = 0.28 + 0.07z + -0.07z

Combine like terms: 0.8z + -0.07z = 0.73z
2.4 + 0.73z = 0.28 + 0.07z + -0.07z

Combine like terms: 0.07z + -0.07z = 0.00
2.4 + 0.73z = 0.28 + 0.00
2.4 + 0.73z = 0.28

Add '-2.4' to each side of the equation.
2.4 + -2.4 + 0.73z = 0.28 + -2.4

Combine like terms: 2.4 + -2.4 = 0.0
0.0 + 0.73z = 0.28 + -2.4
0.73z = 0.28 + -2.4

Combine like terms: 0.28 + -2.4 = -2.12
0.73z = -2.12

Divide each side by '0.73'.
z = -2.904109589

Simplifying
z = -2.904109589

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