Question

what's the solution of this equation?
-8 + 1/2z = 2

linear equations in 1 variable: isolating the variable​

Answer 1

$- 8 + \frac{1}{2} z = 2$

$\frac{1}{2} z = 2 + 8$

$\frac{1}{2}z = 10$

$z = 10 \div \frac{1}{2}$

$z = 10 \times 2$

$z = 20$