2.5x+3.9x-7=23.8

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Solution for 2.5x+3.9x-7=23.8 equation:


Simplifying
2.5x + 3.9x + -7 = 23.8

Reorder the terms:
-7 + 2.5x + 3.9x = 23.8

Combine like terms: 2.5x + 3.9x = 6.4x
-7 + 6.4x = 23.8

Solving
-7 + 6.4x = 23.8

Solving for variable 'x'.

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

Add '7' to each side of the equation.
-7 + 7 + 6.4x = 23.8 + 7

Combine like terms: -7 + 7 = 0
0 + 6.4x = 23.8 + 7
6.4x = 23.8 + 7

Combine like terms: 23.8 + 7 = 30.8
6.4x = 30.8

Divide each side by '6.4'.
x = 4.8125

Simplifying
x = 4.8125

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