Academic Question Mathematics

How do I solve simultaneous equations with two variables?

Admin User @admin · asked Sep 07, 2026

Please help me understand the substitution method for solving simultaneous equations like: 2x + y = 10 and x - y = 2

240 views 1 answers Sep 07, 2026

1 Answer

5 votes

Admin User Sep 07, 2026

Use the substitution method: From equation 2, x = y + 2. Substitute into equation 1: 2(y + 2) + y = 10, so 3y + 4 = 10, y = 2. Then x = 4.