2.1x+3+1.4x+2=12

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Solution for 2.1x+3+1.4x+2=12 equation:


Simplifying
2.1x + 3 + 1.4x + 2 = 12

Reorder the terms:
3 + 2 + 2.1x + 1.4x = 12

Combine like terms: 3 + 2 = 5
5 + 2.1x + 1.4x = 12

Combine like terms: 2.1x + 1.4x = 3.5x
5 + 3.5x = 12

Solving
5 + 3.5x = 12

Solving for variable 'x'.

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

Add '-5' to each side of the equation.
5 + -5 + 3.5x = 12 + -5

Combine like terms: 5 + -5 = 0
0 + 3.5x = 12 + -5
3.5x = 12 + -5

Combine like terms: 12 + -5 = 7
3.5x = 7

Divide each side by '3.5'.
x = 2

Simplifying
x = 2

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