-203=-7(-4r-3)

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Solution for -203=-7(-4r-3) equation:


Simplifying
-203 = -7(-4r + -3)

Reorder the terms:
-203 = -7(-3 + -4r)
-203 = (-3 * -7 + -4r * -7)
-203 = (21 + 28r)

Solving
-203 = 21 + 28r

Solving for variable 'r'.

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

Add '-28r' to each side of the equation.
-203 + -28r = 21 + 28r + -28r

Combine like terms: 28r + -28r = 0
-203 + -28r = 21 + 0
-203 + -28r = 21

Add '203' to each side of the equation.
-203 + 203 + -28r = 21 + 203

Combine like terms: -203 + 203 = 0
0 + -28r = 21 + 203
-28r = 21 + 203

Combine like terms: 21 + 203 = 224
-28r = 224

Divide each side by '-28'.
r = -8

Simplifying
r = -8

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