4x + y = 12
Get y by itself
Subtract 4x
y = -4x + 12
Since you know what y is, you can plug the value into the second equation
6x + 2(-4x + 12) = 18
6x - 8x + 24 = 18
-2x = -6
x = 3
Plug the value 3 into x for y = -4x + 12 in order to find y
-4(3) + 12 = y, y = 0
Solution: x = 3, y = 0
Answer:
<em>the</em><em> </em><em>answer</em><em> </em><em>is</em><em> </em><em>c</em>
Step-by-step explanation:
x/42=5/7
x/42=5/7then crisscross
7x=5×42
7x=210....then divide both side by 7
x=30
Hope it'll help!
stay safe:) ^-^
4/7 = 8/14 = 12/21 = 16/28, etc
Answer:
A unit rate is a rate with 1 in the denominator. If you have a rate, such as price per some number of items, and the quantity in the denominator is not 1, you can calculate unit rate or price per unit by completing the division operation: numerator divided by denominator.
Answer:
F is 1/10
Step-by-step explanation: