-4+5(1+5r)=11(r+5)-12

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Solution for -4+5(1+5r)=11(r+5)-12 equation:


Simplifying
-4 + 5(1 + 5r) = 11(r + 5) + -12
-4 + (1 * 5 + 5r * 5) = 11(r + 5) + -12
-4 + (5 + 25r) = 11(r + 5) + -12

Combine like terms: -4 + 5 = 1
1 + 25r = 11(r + 5) + -12

Reorder the terms:
1 + 25r = 11(5 + r) + -12
1 + 25r = (5 * 11 + r * 11) + -12
1 + 25r = (55 + 11r) + -12

Reorder the terms:
1 + 25r = 55 + -12 + 11r

Combine like terms: 55 + -12 = 43
1 + 25r = 43 + 11r

Solving
1 + 25r = 43 + 11r

Solving for variable 'r'.

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

Add '-11r' to each side of the equation.
1 + 25r + -11r = 43 + 11r + -11r

Combine like terms: 25r + -11r = 14r
1 + 14r = 43 + 11r + -11r

Combine like terms: 11r + -11r = 0
1 + 14r = 43 + 0
1 + 14r = 43

Add '-1' to each side of the equation.
1 + -1 + 14r = 43 + -1

Combine like terms: 1 + -1 = 0
0 + 14r = 43 + -1
14r = 43 + -1

Combine like terms: 43 + -1 = 42
14r = 42

Divide each side by '14'.
r = 3

Simplifying
r = 3

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