7r-61=5(9r+3)

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Solution for 7r-61=5(9r+3) equation:


Simplifying
7r + -61 = 5(9r + 3)

Reorder the terms:
-61 + 7r = 5(9r + 3)

Reorder the terms:
-61 + 7r = 5(3 + 9r)
-61 + 7r = (3 * 5 + 9r * 5)
-61 + 7r = (15 + 45r)

Solving
-61 + 7r = 15 + 45r

Solving for variable 'r'.

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

Add '-45r' to each side of the equation.
-61 + 7r + -45r = 15 + 45r + -45r

Combine like terms: 7r + -45r = -38r
-61 + -38r = 15 + 45r + -45r

Combine like terms: 45r + -45r = 0
-61 + -38r = 15 + 0
-61 + -38r = 15

Add '61' to each side of the equation.
-61 + 61 + -38r = 15 + 61

Combine like terms: -61 + 61 = 0
0 + -38r = 15 + 61
-38r = 15 + 61

Combine like terms: 15 + 61 = 76
-38r = 76

Divide each side by '-38'.
r = -2

Simplifying
r = -2

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