1.96r+3.92=2r+4

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Solution for 1.96r+3.92=2r+4 equation: 


Simplifying
1.96r + 3.92 = 2r + 4

Reorder the terms:
3.92 + 1.96r = 2r + 4

Reorder the terms:
3.92 + 1.96r = 4 + 2r

Solving
3.92 + 1.96r = 4 + 2r

Solving for variable 'r'.

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

Add '-2r' to each side of the equation.
3.92 + 1.96r + -2r = 4 + 2r + -2r

Combine like terms: 1.96r + -2r = -0.04r
3.92 + -0.04r = 4 + 2r + -2r

Combine like terms: 2r + -2r = 0
3.92 + -0.04r = 4 + 0
3.92 + -0.04r = 4

Add '-3.92' to each side of the equation.
3.92 + -3.92 + -0.04r = 4 + -3.92

Combine like terms: 3.92 + -3.92 = 0.00
0.00 + -0.04r = 4 + -3.92
-0.04r = 4 + -3.92

Combine like terms: 4 + -3.92 = 0.08
-0.04r = 0.08

Divide each side by '-0.04'.
r = -2

Simplifying
r = -2

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