Solve the following systems of equations: = 10

Question

Philoid · Accepted Answer

= 10

⇒ x + y/2 = 0.7

Multiplying eq1 by 2 and subtracting eq2 from it.

⇒ x + 2y – x – y/2 = 1.6 – 0.7

⇒ 3y/2 = 0.9

⇒ y = 0.6

Thus, x/2 + 0.6 = 0.8

⇒ x = 0.4