Rearrange x - 3y = 9 to make x the subject by adding 3y to both sides of the equation, giving x = 9 + 3y. Substitute the value of "x" in the second equation for "9 + 3y", giving: 5(9 + 3y) + y = 21. …

Rearrange so we get all y values on one side of the equals and everything else on the other side: 16y (adding the 15y and y) = -24 (21 -45). We then divide by 16 to get a value for y which will …

rearrange the first equation so it reads y= 5x+y= 21 y=21-5xSubstitute this y value into the second equation x-3y=9 y=21-5x x-3(21-5x)=9Expand out the bracket and rearrange to find out what x …

To answer this, you need to try and remove on of the letters from the equation. You could multiply the first equation by 2 so that the number in front of the y's are the same in both equations, …

The equations become:5x + y = 215x - 15y = 45Then subtract one from the other to eradicate x.y - - 15 y = 16y and 21 - 45 = -2416y = -24Solve for y.y = -24/16 (both divisible by 8) so y = -3/2 …

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5, 11, 21, 35, 53, ... Find the nth term of this sequence. By calculating the difference between each of the progressions, we see that the first difference is 6, the next is 10, then 14 and finally …

1st Step: Must separate the fractions and simplify: y= (6x2-1)/2sqrt(x)= 6x2/(2x1/2) - 1/(2x1/2) Cancel 6 with 2 and x2 with x1/2 => y= 3x3/2 - x-1/2/2 2nd St...

Feb 16, 2023 · I think the pro core 11 x 7 would actually fit three boxes "standing" on end if needed. My Ammo Inc signature 9 boxes are just over 2-1/2 x 5 and nearly fit on end in my …

Use the crab claw method to expand the bracket. Draw two lines above the equation from the 2X, one to the 3X and one to the -1. Draw another two lines below the equation from the +3, one …