4r+5(r+3)=19+5r

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Solution for 4r+5(r+3)=19+5r equation:


Simplifying
4r + 5(r + 3) = 19 + 5r

Reorder the terms:
4r + 5(3 + r) = 19 + 5r
4r + (3 * 5 + r * 5) = 19 + 5r
4r + (15 + 5r) = 19 + 5r

Reorder the terms:
15 + 4r + 5r = 19 + 5r

Combine like terms: 4r + 5r = 9r
15 + 9r = 19 + 5r

Solving
15 + 9r = 19 + 5r

Solving for variable 'r'.

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

Add '-5r' to each side of the equation.
15 + 9r + -5r = 19 + 5r + -5r

Combine like terms: 9r + -5r = 4r
15 + 4r = 19 + 5r + -5r

Combine like terms: 5r + -5r = 0
15 + 4r = 19 + 0
15 + 4r = 19

Add '-15' to each side of the equation.
15 + -15 + 4r = 19 + -15

Combine like terms: 15 + -15 = 0
0 + 4r = 19 + -15
4r = 19 + -15

Combine like terms: 19 + -15 = 4
4r = 4

Divide each side by '4'.
r = 1

Simplifying
r = 1

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