-6r+40=7(r+4)-1

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Solution for -6r+40=7(r+4)-1 equation:


Simplifying
-6r + 40 = 7(r + 4) + -1

Reorder the terms:
40 + -6r = 7(r + 4) + -1

Reorder the terms:
40 + -6r = 7(4 + r) + -1
40 + -6r = (4 * 7 + r * 7) + -1
40 + -6r = (28 + 7r) + -1

Reorder the terms:
40 + -6r = 28 + -1 + 7r

Combine like terms: 28 + -1 = 27
40 + -6r = 27 + 7r

Solving
40 + -6r = 27 + 7r

Solving for variable 'r'.

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

Add '-7r' to each side of the equation.
40 + -6r + -7r = 27 + 7r + -7r

Combine like terms: -6r + -7r = -13r
40 + -13r = 27 + 7r + -7r

Combine like terms: 7r + -7r = 0
40 + -13r = 27 + 0
40 + -13r = 27

Add '-40' to each side of the equation.
40 + -40 + -13r = 27 + -40

Combine like terms: 40 + -40 = 0
0 + -13r = 27 + -40
-13r = 27 + -40

Combine like terms: 27 + -40 = -13
-13r = -13

Divide each side by '-13'.
r = 1

Simplifying
r = 1

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