Answer:

Step-by-step explanation:

Divide 3 on both sides:

Add 1 to both sides:

Multiply by 7 on both sides:

Answer:
(3, -4)
Step-by-step explanation:
Lines are intersecting at points (3, -4).
So, the solution of the given system of equations is (3, -4).
Hope it helps you in your learning process.
Answer:
(1,1) x=1 y=1
Step-by-step explanation:
The actual measure of angel A is actually 190
Answer:
x=(4y)/(3)+4
Step-by-step explanation: hope this helps :D