3.5x+1.2=18.7

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Solution for 3.5x+1.2=18.7 equation: 


Simplifying
3.5x + 1.2 = 18.7

Reorder the terms:
1.2 + 3.5x = 18.7

Solving
1.2 + 3.5x = 18.7

Solving for variable 'x'.

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

Add '-1.2' to each side of the equation.
1.2 + -1.2 + 3.5x = 18.7 + -1.2

Combine like terms: 1.2 + -1.2 = 0.0
0.0 + 3.5x = 18.7 + -1.2
3.5x = 18.7 + -1.2

Combine like terms: 18.7 + -1.2 = 17.5
3.5x = 17.5

Divide each side by '3.5'.
x = 5

Simplifying
x = 5

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