4x+3.9=8.7

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Solution for 4x+3.9=8.7 equation: 


Simplifying
4x + 3.9 = 8.7

Reorder the terms:
3.9 + 4x = 8.7

Solving
3.9 + 4x = 8.7

Solving for variable 'x'.

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

Add '-3.9' to each side of the equation.
3.9 + -3.9 + 4x = 8.7 + -3.9

Combine like terms: 3.9 + -3.9 = 0.0
0.0 + 4x = 8.7 + -3.9
4x = 8.7 + -3.9

Combine like terms: 8.7 + -3.9 = 4.8
4x = 4.8

Divide each side by '4'.
x = 1.2

Simplifying
x = 1.2

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