Question

Solve the simultaneous equations

x
+
y
=
5
x
=
1
+
y

Answer 1

Explanation:

Givens:

Eq. 1 ) x + y = 5

Eq 2 ) x = 1 + y

plug x into Eq 1 from Eq 2

(1+y) + y = 5

algebra them out

2y = 4

y = 2

then

x + 2 = 5

x = 3