(x+2.9)-(0.1x+5)=12

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Solution for (x+2.9)-(0.1x+5)=12 equation:


Simplifying
(x + 2.9) + -1(0.1x + 5) = 12

Reorder the terms:
(2.9 + x) + -1(0.1x + 5) = 12

Remove parenthesis around (2.9 + x)
2.9 + x + -1(0.1x + 5) = 12

Reorder the terms:
2.9 + x + -1(5 + 0.1x) = 12
2.9 + x + (5 * -1 + 0.1x * -1) = 12
2.9 + x + (-5 + -0.1x) = 12

Reorder the terms:
2.9 + -5 + x + -0.1x = 12

Combine like terms: 2.9 + -5 = -2.1
-2.1 + x + -0.1x = 12

Combine like terms: x + -0.1x = 0.9x
-2.1 + 0.9x = 12

Solving
-2.1 + 0.9x = 12

Solving for variable 'x'.

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

Add '2.1' to each side of the equation.
-2.1 + 2.1 + 0.9x = 12 + 2.1

Combine like terms: -2.1 + 2.1 = 0.0
0.0 + 0.9x = 12 + 2.1
0.9x = 12 + 2.1

Combine like terms: 12 + 2.1 = 14.1
0.9x = 14.1

Divide each side by '0.9'.
x = 15.66666667

Simplifying
x = 15.66666667

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