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Solve for x and y, with x and y satisfying the equations x+4y=5 and 2x+2y=16.

x=9 y=-1
LS
Answered by Lucy S. • Maths tutor
4163 Views

Solve the simultaneous equations for x and y: 2x+4y=-12 and y=-x-2

From the question we have y = -x - 2 so we can sub in -x-2 everywhere there is a y in the first equation. The equation is then 2x+4(-x-2) = -12 expanding the brackets we get -2x-8=-12 which you can then rear...
DG
Answered by Daniel G. • Maths tutor
4419 Views

‘Physical, biological urges rather than reason will always control desire’ Discuss

Whilst at first it may seem that desire can only be controlled by primitive biological instincts, we shall discover that it is possible for desire to be partly controlled by reason too. This will be shown by...
WH
4068 Views

Integrate 2sin(theta)cos(2*theta)

cos(theta)-(4/3)cos 3 (theta)
CB
Answered by Chloe B. • Maths tutor
5808 Views

Why was the Truman Doctrine significant?

The Truman Doctrine was an American initiative introduced in 1947, which marked a change of international policy from isolationism to containment. Introduced by President Truman in a speech to Congress, this...
CE
Answered by Ciara E. • History tutor
22826 Views