4(-3r-7)=

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


Simplifying
4(-3r + -7) = 0

Reorder the terms:
4(-7 + -3r) = 0
(-7 * 4 + -3r * 4) = 0
(-28 + -12r) = 0

Solving
-28 + -12r = 0

Solving for variable 'r'.

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

Add '28' to each side of the equation.
-28 + 28 + -12r = 0 + 28

Combine like terms: -28 + 28 = 0
0 + -12r = 0 + 28
-12r = 0 + 28

Combine like terms: 0 + 28 = 28
-12r = 28

Divide each side by '-12'.
r = -2.333333333

Simplifying
r = -2.333333333

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