3a + 6b = 45
2a - 2b = -12....multiply by 3
----------------
3a + 6b = 45
6a - 6b = - 36 ...(result of multiplying by 3)
---------------add
9a = 9
a = 1
3a + 6b = 45
3(1) + 6b = 45
3 + 6b = 45
6b = 45 - 3
6b = 42
b = 7
solution is : (1,7)
Answer:
q=24
Step-by-step explanation:
2+-6=-4
20+4=24
The 24 is the sum of the 20 and to turn the negative into 0 plus the 20 equals 24
Gabe had 372 apples and r grapes. The total of grapes and apples gabe has are 509. How many grapes did gabe have?
Sixty eight and nine plus eleven equals 12
