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

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


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

Reorder the terms:
18 + -6r = 8(7 + 4r)
18 + -6r = (7 * 8 + 4r * 8)
18 + -6r = (56 + 32r)

Solving
18 + -6r = 56 + 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.
18 + -6r + -32r = 56 + 32r + -32r

Combine like terms: -6r + -32r = -38r
18 + -38r = 56 + 32r + -32r

Combine like terms: 32r + -32r = 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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