7r+4(5-3r)=

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


Simplifying
7r + 4(5 + -3r) = 0
7r + (5 * 4 + -3r * 4) = 0
7r + (20 + -12r) = 0

Reorder the terms:
20 + 7r + -12r = 0

Combine like terms: 7r + -12r = -5r
20 + -5r = 0

Solving
20 + -5r = 0

Solving for variable 'r'.

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

Add '-20' to each side of the equation.
20 + -20 + -5r = 0 + -20

Combine like terms: 20 + -20 = 0
0 + -5r = 0 + -20
-5r = 0 + -20

Combine like terms: 0 + -20 = -20
-5r = -20

Divide each side by '-5'.
r = 4

Simplifying
r = 4

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