7r+26=3+8(6r+80)

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Solution for 7r+26=3+8(6r+80) equation:


Simplifying
7r + 26 = 3 + 8(6r + 80)

Reorder the terms:
26 + 7r = 3 + 8(6r + 80)

Reorder the terms:
26 + 7r = 3 + 8(80 + 6r)
26 + 7r = 3 + (80 * 8 + 6r * 8)
26 + 7r = 3 + (640 + 48r)

Combine like terms: 3 + 640 = 643
26 + 7r = 643 + 48r

Solving
26 + 7r = 643 + 48r

Solving for variable 'r'.

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

Add '-48r' to each side of the equation.
26 + 7r + -48r = 643 + 48r + -48r

Combine like terms: 7r + -48r = -41r
26 + -41r = 643 + 48r + -48r

Combine like terms: 48r + -48r = 0
26 + -41r = 643 + 0
26 + -41r = 643

Add '-26' to each side of the equation.
26 + -26 + -41r = 643 + -26

Combine like terms: 26 + -26 = 0
0 + -41r = 643 + -26
-41r = 643 + -26

Combine like terms: 643 + -26 = 617
-41r = 617

Divide each side by '-41'.
r = -15.04878049

Simplifying
r = -15.04878049

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