.1x+.25(z+4)=3.8

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Solution for .1x+.25(z+4)=3.8 equation: 


Simplifying
0.1x + 0.25(z + 4) = 3.8

Reorder the terms:
0.1x + 0.25(4 + z) = 3.8
0.1x + (4 * 0.25 + z * 0.25) = 3.8
0.1x + (1 + 0.25z) = 3.8

Reorder the terms:
1 + 0.1x + 0.25z = 3.8

Solving
1 + 0.1x + 0.25z = 3.8

Solving for variable 'x'.

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

Add '-1' to each side of the equation.
1 + 0.1x + -1 + 0.25z = 3.8 + -1

Reorder the terms:
1 + -1 + 0.1x + 0.25z = 3.8 + -1

Combine like terms: 1 + -1 = 0
0 + 0.1x + 0.25z = 3.8 + -1
0.1x + 0.25z = 3.8 + -1

Combine like terms: 3.8 + -1 = 2.8
0.1x + 0.25z = 2.8

Add '-0.25z' to each side of the equation.
0.1x + 0.25z + -0.25z = 2.8 + -0.25z

Combine like terms: 0.25z + -0.25z = 0.00
0.1x + 0.00 = 2.8 + -0.25z
0.1x = 2.8 + -0.25z

Divide each side by '0.1'.
x = 28 + -2.5z

Simplifying
x = 28 + -2.5z

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