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Given the following system of linear equations x - 3y = 5 AND 2x + y = 3 how do I find x and y?

To solve this system of linear equations (therefore, to find x and y) we can proceed the following:1) we isolate x from the first question, moving -3y on the right hand side of the equation. When we move 3y ...
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Answered by Domiziana T. • Maths tutor
2749 Views

Solve for x and y using these simultaneous equations: 2x + 3y = 21, y = 2x - 1

Substitute y = 2x - 1 into the first equation. 2x + 3(2x -1) = 21 2x + 6x - 3 = 21 8x = 24 x = 3 Therefore y = 2(3) - 1 = 5
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Answered by Alexandra L. • Maths tutor
3261 Views

I am thinking of two numbers. When I add my numbers, the answer is 1 When I multiply my numbers, the answer is 0.09 What are my numbers?

think of ways to add up 1. 0.5 x 20.4 and 0.60.3 and 0.70.2 and 0.80.1 and 0.9 then multiply them and you'll find the last one to be correct
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Answered by Omar B. • Maths tutor
12991 Views

E = {Students in Year 12} G = {Students who study German} F = {Students who study French} M = {Students who study Maths} (i) G ∩ M = Ø Use this information to write a statement about the students who study German in Year 12

Students who study German in Year 12 do not study Maths.
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Answered by Simona B. • Maths tutor
4457 Views

What is 14% of £525?

0.14*525 = 73.5Therefore, £73.50 is the answer.
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Answered by Ishan J. • Maths tutor
2713 Views