1.75r+1.75(r+4)=40

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Solution for 1.75r+1.75(r+4)=40 equation:


Simplifying
1.75r + 1.75(r + 4) = 40

Reorder the terms:
1.75r + 1.75(4 + r) = 40
1.75r + (4 * 1.75 + r * 1.75) = 40
1.75r + (7 + 1.75r) = 40

Reorder the terms:
7 + 1.75r + 1.75r = 40

Combine like terms: 1.75r + 1.75r = 3.5r
7 + 3.5r = 40

Solving
7 + 3.5r = 40

Solving for variable 'r'.

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

Add '-7' to each side of the equation.
7 + -7 + 3.5r = 40 + -7

Combine like terms: 7 + -7 = 0
0 + 3.5r = 40 + -7
3.5r = 40 + -7

Combine like terms: 40 + -7 = 33
3.5r = 33

Divide each side by '3.5'.
r = 9.428571429

Simplifying
r = 9.428571429

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