1(1+r)7=2.21

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Solution for 1(1+r)7=2.21 equation:


Simplifying
1(1 + r) * 7 = 2.21

Reorder the terms for easier multiplication:
1 * 7(1 + r) = 2.21

Multiply 1 * 7
7(1 + r) = 2.21
(1 * 7 + r * 7) = 2.21
(7 + 7r) = 2.21

Solving
7 + 7r = 2.21

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 + 7r = 2.21 + -7

Combine like terms: 7 + -7 = 0
0 + 7r = 2.21 + -7
7r = 2.21 + -7

Combine like terms: 2.21 + -7 = -4.79
7r = -4.79

Divide each side by '7'.
r = -0.6842857143

Simplifying
r = -0.6842857143

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