Question

183=-8(7x-2)-1
and this one
6(8+8r)=-288​

Answer 1

x = -3

r = -7

Explanation:

Distribute.

183 = -56x + 16 - 1

Combine like terms.

183 = -56x + 15

Isolate the variable.

-56x = 168

Divide by the coefficient.

x = -3

Distribute.

48 + 48r = -288

Isolate the variable.

48r = -336

Divide by the coefficient.

r = -7