Answer:
A
Step-by-step explanation:
x + y = 4a + 7
x - y = 2a + 5
In both equations, make x the subject of the formula
x = 4a + 7 - y equation 1
x = 2a + 5 + y equation 2
Subtract equation 2 from equation 1
2a + 2 -2y
= 2a + 2
Answer:
X=5 Y=5
Step-by-step explanation:
Answer:
11
Step-by-step explanation:
7/8 divided by 1/8 = 7 & 2^2 = 4. Simplified, you would have 7 + 4, or 11