1.75r+1.75(r+7)=54.25

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Solution for 1.75r+1.75(r+7)=54.25 equation: 


Simplifying
1.75r + 1.75(r + 7) = 54.25

Reorder the terms:
1.75r + 1.75(7 + r) = 54.25
1.75r + (7 * 1.75 + r * 1.75) = 54.25
1.75r + (12.25 + 1.75r) = 54.25

Reorder the terms:
12.25 + 1.75r + 1.75r = 54.25

Combine like terms: 1.75r + 1.75r = 3.5r
12.25 + 3.5r = 54.25

Solving
12.25 + 3.5r = 54.25

Solving for variable 'r'.

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

Add '-12.25' to each side of the equation.
12.25 + -12.25 + 3.5r = 54.25 + -12.25

Combine like terms: 12.25 + -12.25 = 0.00
0.00 + 3.5r = 54.25 + -12.25
3.5r = 54.25 + -12.25

Combine like terms: 54.25 + -12.25 = 42
3.5r = 42

Divide each side by '3.5'.
r = 12

Simplifying
r = 12

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