-3r-4(r+3)=3

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


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

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

Reorder the terms:
-12 + -3r + -4r = 3

Combine like terms: -3r + -4r = -7r
-12 + -7r = 3

Solving
-12 + -7r = 3

Solving for variable 'r'.

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

Add '12' to each side of the equation.
-12 + 12 + -7r = 3 + 12

Combine like terms: -12 + 12 = 0
0 + -7r = 3 + 12
-7r = 3 + 12

Combine like terms: 3 + 12 = 15
-7r = 15

Divide each side by '-7'.
r = -2.142857143

Simplifying
r = -2.142857143

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