(x+2.1)-(0.5+3)=12

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Solution for (x+2.1)-(0.5+3)=12 equation:


Simplifying
(x + 2.1) + -1(0.5 + 3) = 12

Reorder the terms:
(2.1 + x) + -1(0.5 + 3) = 12

Remove parenthesis around (2.1 + x)
2.1 + x + -1(0.5 + 3) = 12

Combine like terms: 0.5 + 3 = 3.5
2.1 + x + -1(3.5) = 12

Multiply -1 * 3.5
2.1 + x + -3.5 = 12

Reorder the terms:
2.1 + -3.5 + x = 12

Combine like terms: 2.1 + -3.5 = -1.4
-1.4 + x = 12

Solving
-1.4 + x = 12

Solving for variable 'x'.

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

Add '1.4' to each side of the equation.
-1.4 + 1.4 + x = 12 + 1.4

Combine like terms: -1.4 + 1.4 = 0.0
0.0 + x = 12 + 1.4
x = 12 + 1.4

Combine like terms: 12 + 1.4 = 13.4
x = 13.4

Simplifying
x = 13.4

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