2x - 4y = 10
7x - 9y = 12
_________
9x - 5y = 2
Answer:
its B.429
Step-by-step explanation:
20<70
429+1=multiple of 5
429÷2=214.5
so the answer is 429
I believe it is B!!!!!!!!!!
Answer: x = 
Step-by-step explanation:
= 
1/27 can be written in index form as 
The equation then becomes:
= 
Equating the coefficient
4x - 5 = -3 ( 2x + 10)
4x - 5 = -6x - 30
10x = -30 + 5
10x = -25
x = -25/10
x = -5/2
x = - 2.5
M=2 do need a step by step explanation?