4(7r+5)=3r-30

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Solution for 4(7r+5)=3r-30 equation:


Simplifying
4(7r + 5) = 3r + -30

Reorder the terms:
4(5 + 7r) = 3r + -30
(5 * 4 + 7r * 4) = 3r + -30
(20 + 28r) = 3r + -30

Reorder the terms:
20 + 28r = -30 + 3r

Solving
20 + 28r = -30 + 3r

Solving for variable 'r'.

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

Add '-3r' to each side of the equation.
20 + 28r + -3r = -30 + 3r + -3r

Combine like terms: 28r + -3r = 25r
20 + 25r = -30 + 3r + -3r

Combine like terms: 3r + -3r = 0
20 + 25r = -30 + 0
20 + 25r = -30

Add '-20' to each side of the equation.
20 + -20 + 25r = -30 + -20

Combine like terms: 20 + -20 = 0
0 + 25r = -30 + -20
25r = -30 + -20

Combine like terms: -30 + -20 = -50
25r = -50

Divide each side by '25'.
r = -2

Simplifying
r = -2

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