-4(r+7)=-45

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Solution for -4(r+7)=-45 equation:


Simplifying
-4(r + 7) = -45

Reorder the terms:
-4(7 + r) = -45
(7 * -4 + r * -4) = -45
(-28 + -4r) = -45

Solving
-28 + -4r = -45

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 + -4r = -45 + 28

Combine like terms: -28 + 28 = 0
0 + -4r = -45 + 28
-4r = -45 + 28

Combine like terms: -45 + 28 = -17
-4r = -17

Divide each side by '-4'.
r = 4.25

Simplifying
r = 4.25

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