2(2c+9)=c — step-by-step solution

⚠ 2( is read as the product 2*(...): for a power, write 2^(...)‖2c is read as the product 2*c: for a power, write 2^c

Let's solve in

ℝ

2 \cdot (2 c + 9) = c

4 c + 18 = c

4 c = c - 18

4 c - c = -18

3 c = -18

c = - \frac{18}{3}

▶Solution found:

c = -6