Answer:
Multiply the first equation by 4.
Step-by-step explanation:
4(x+y=3) which gives
4x+4y=12
and
4x-y=7
Then subtract the two equations and the x variable will be eliminated.
-3 1/2
just add the fractions
Mark brainliest please
Area equal length time width
A = 13*8 = 104 squared meter
hope helped
Answer: x = -1
Step-by-step explanation:
You need to convert to the same base

So

For these values to be equal, the exponents have to be equal
-4 = -2x - 6
2 = -2x
x = -1
Answer:
The answer is 153
Step-by-step explanation:
You multiply 17 by 3 by 3.