1.25(r+4)+1.25r=40

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Solution for 1.25(r+4)+1.25r=40 equation: 


Simplifying
1.25(r + 4) + 1.25r = 40

Reorder the terms:
1.25(4 + r) + 1.25r = 40
(4 * 1.25 + r * 1.25) + 1.25r = 40
(5 + 1.25r) + 1.25r = 40

Combine like terms: 1.25r + 1.25r = 2.5r
5 + 2.5r = 40

Solving
5 + 2.5r = 40

Solving for variable 'r'.

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

Add '-5' to each side of the equation.
5 + -5 + 2.5r = 40 + -5

Combine like terms: 5 + -5 = 0
0 + 2.5r = 40 + -5
2.5r = 40 + -5

Combine like terms: 40 + -5 = 35
2.5r = 35

Divide each side by '2.5'.
r = 14

Simplifying
r = 14

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