Is means equals. The number before the words Less than means that number is subtracted from that number. 3 times a number, we don’t know the number so we use a variable, 3x. So..........
3x-5=10
Answer:
It's the <u>first expression </u>
Step-by-step explanation:
<em><u>9 (4a minus 3)</u></em>
(9x4a)-(9x3)
36a minus 27
Answer:
the answer is x=42
Step-by-step explanation:
10 x 10 x 10, I believe this is the form you mean.
Eliinate y's
multiply top eqatyion by -1 and add to 2nd
9x-2y=24
<u>-x+2y=8 +</u>
8x+0y=32
8x=32
divid both sides b y8
x=4
sub back
-x+2y=8
-4+2y=8
add 4 to both sides
2y=12
divide both sides by 2
y=6
(x,y)
(4,6)
