3+0.1x+0.7x=7.8

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Solution for 3+0.1x+0.7x=7.8 equation: 


Simplifying
3 + 0.1x + 0.7x = 7.8

Combine like terms: 0.1x + 0.7x = 0.8x
3 + 0.8x = 7.8

Solving
3 + 0.8x = 7.8

Solving for variable 'x'.

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

Add '-3' to each side of the equation.
3 + -3 + 0.8x = 7.8 + -3

Combine like terms: 3 + -3 = 0
0 + 0.8x = 7.8 + -3
0.8x = 7.8 + -3

Combine like terms: 7.8 + -3 = 4.8
0.8x = 4.8

Divide each side by '0.8'.
x = 6

Simplifying
x = 6

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