-38+7r=7+4(8r-5)

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Solution for -38+7r=7+4(8r-5) equation:


Simplifying
-38 + 7r = 7 + 4(8r + -5)

Reorder the terms:
-38 + 7r = 7 + 4(-5 + 8r)
-38 + 7r = 7 + (-5 * 4 + 8r * 4)
-38 + 7r = 7 + (-20 + 32r)

Combine like terms: 7 + -20 = -13
-38 + 7r = -13 + 32r

Solving
-38 + 7r = -13 + 32r

Solving for variable 'r'.

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

Add '-32r' to each side of the equation.
-38 + 7r + -32r = -13 + 32r + -32r

Combine like terms: 7r + -32r = -25r
-38 + -25r = -13 + 32r + -32r

Combine like terms: 32r + -32r = 0
-38 + -25r = -13 + 0
-38 + -25r = -13

Add '38' to each side of the equation.
-38 + 38 + -25r = -13 + 38

Combine like terms: -38 + 38 = 0
0 + -25r = -13 + 38
-25r = -13 + 38

Combine like terms: -13 + 38 = 25
-25r = 25

Divide each side by '-25'.
r = -1

Simplifying
r = -1

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