.25(7+3r)=-.2r

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Solution for .25(7+3r)=-.2r equation:


Simplifying
0.25(7 + 3r) = -0.2r
(7 * 0.25 + 3r * 0.25) = -0.2r
(1.75 + 0.75r) = -0.2r

Solving
1.75 + 0.75r = -0.2r

Solving for variable 'r'.

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

Add '0.2r' to each side of the equation.
1.75 + 0.75r + 0.2r = -0.2r + 0.2r

Combine like terms: 0.75r + 0.2r = 0.95r
1.75 + 0.95r = -0.2r + 0.2r

Combine like terms: -0.2r + 0.2r = 0.0
1.75 + 0.95r = 0.0

Add '-1.75' to each side of the equation.
1.75 + -1.75 + 0.95r = 0.0 + -1.75

Combine like terms: 1.75 + -1.75 = 0.00
0.00 + 0.95r = 0.0 + -1.75
0.95r = 0.0 + -1.75

Combine like terms: 0.0 + -1.75 = -1.75
0.95r = -1.75

Divide each side by '0.95'.
r = -1.842105263

Simplifying
r = -1.842105263

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