1.9=3.5-.8x

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Solution for 1.9=3.5-.8x equation:


Simplifying
1.9 = 3.5 + -0.8x

Solving
1.9 = 3.5 + -0.8x

Solving for variable 'x'.

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

Add '0.8x' to each side of the equation.
1.9 + 0.8x = 3.5 + -0.8x + 0.8x

Combine like terms: -0.8x + 0.8x = 0.0
1.9 + 0.8x = 3.5 + 0.0
1.9 + 0.8x = 3.5

Add '-1.9' to each side of the equation.
1.9 + -1.9 + 0.8x = 3.5 + -1.9

Combine like terms: 1.9 + -1.9 = 0.0
0.0 + 0.8x = 3.5 + -1.9
0.8x = 3.5 + -1.9

Combine like terms: 3.5 + -1.9 = 1.6
0.8x = 1.6

Divide each side by '0.8'.
x = 2

Simplifying
x = 2

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