-18+4r=7(6r-8)

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Solution for -18+4r=7(6r-8) equation:


Simplifying
-18 + 4r = 7(6r + -8)

Reorder the terms:
-18 + 4r = 7(-8 + 6r)
-18 + 4r = (-8 * 7 + 6r * 7)
-18 + 4r = (-56 + 42r)

Solving
-18 + 4r = -56 + 42r

Solving for variable 'r'.

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

Add '-42r' to each side of the equation.
-18 + 4r + -42r = -56 + 42r + -42r

Combine like terms: 4r + -42r = -38r
-18 + -38r = -56 + 42r + -42r

Combine like terms: 42r + -42r = 0
-18 + -38r = -56 + 0
-18 + -38r = -56

Add '18' to each side of the equation.
-18 + 18 + -38r = -56 + 18

Combine like terms: -18 + 18 = 0
0 + -38r = -56 + 18
-38r = -56 + 18

Combine like terms: -56 + 18 = -38
-38r = -38

Divide each side by '-38'.
r = 1

Simplifying
r = 1

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