3.8=7.4-0.9x

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Solution for 3.8=7.4-0.9x equation: 


Simplifying
3.8 = 7.4 + -0.9x

Solving
3.8 = 7.4 + -0.9x

Solving for variable 'x'.

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

Add '0.9x' to each side of the equation.
3.8 + 0.9x = 7.4 + -0.9x + 0.9x

Combine like terms: -0.9x + 0.9x = 0.0
3.8 + 0.9x = 7.4 + 0.0
3.8 + 0.9x = 7.4

Add '-3.8' to each side of the equation.
3.8 + -3.8 + 0.9x = 7.4 + -3.8

Combine like terms: 3.8 + -3.8 = 0.0
0.0 + 0.9x = 7.4 + -3.8
0.9x = 7.4 + -3.8

Combine like terms: 7.4 + -3.8 = 3.6
0.9x = 3.6

Divide each side by '0.9'.
x = 4

Simplifying
x = 4

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