0.45*7+0+0.4x=6

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Solution for 0.45*7+0+0.4x=6 equation: 


Simplifying
0.45 * 7 + 0 + 0.4x = 6

Multiply 0.45 * 7
3.15 + 0 + 0.4x = 6

Combine like terms: 3.15 + 0 = 3.15
3.15 + 0.4x = 6

Solving
3.15 + 0.4x = 6

Solving for variable 'x'.

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

Add '-3.15' to each side of the equation.
3.15 + -3.15 + 0.4x = 6 + -3.15

Combine like terms: 3.15 + -3.15 = 0.00
0.00 + 0.4x = 6 + -3.15
0.4x = 6 + -3.15

Combine like terms: 6 + -3.15 = 2.85
0.4x = 2.85

Divide each side by '0.4'.
x = 7.125

Simplifying
x = 7.125

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