-16r-28=-4(3r+10)

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Solution for -16r-28=-4(3r+10) equation:


Simplifying
-16r + -28 = -4(3r + 10)

Reorder the terms:
-28 + -16r = -4(3r + 10)

Reorder the terms:
-28 + -16r = -4(10 + 3r)
-28 + -16r = (10 * -4 + 3r * -4)
-28 + -16r = (-40 + -12r)

Solving
-28 + -16r = -40 + -12r

Solving for variable 'r'.

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

Add '12r' to each side of the equation.
-28 + -16r + 12r = -40 + -12r + 12r

Combine like terms: -16r + 12r = -4r
-28 + -4r = -40 + -12r + 12r

Combine like terms: -12r + 12r = 0
-28 + -4r = -40 + 0
-28 + -4r = -40

Add '28' to each side of the equation.
-28 + 28 + -4r = -40 + 28

Combine like terms: -28 + 28 = 0
0 + -4r = -40 + 28
-4r = -40 + 28

Combine like terms: -40 + 28 = -12
-4r = -12

Divide each side by '-4'.
r = 3

Simplifying
r = 3

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