SOLUTION: Could someone please show me step-by-step how to solve this? Thank You for your help. Solve the system. 4x^2-4y^2=20 3x^2+2y^2=35

Question 137354: Could someone please show me step-by-step how to solve this? Thank You for your help.
Solve the system.
4x^2-4y^2=20
3x^2+2y^2=35
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
Solve the system.
4x^2-4y^2=20
3x^2+2y^2=35
--------------------
Multiply the 2nd equation by thru by 2 to get:
6x^2+4y^2=50
---------
Add that to the 1st equation to get:
10x^2 = 70
x = +/-sqrt7
-------------
Substitute into 4x^2-4y^2=20 to solve for "y":
4*7 -4y^2 = 20
4y^2 = 8
y = +/-sqrt2
===============
Cheers,
Stan H.

RELATED QUESTIONS
Could you please show me step by step help to solve: x^2 + 10xy +... (answered by jim_thompson5910)

Could someone help me with this one please. If you do not mind would you show me step by... (answered by stanbon)

Is the ordered pair (-3, 6) a solution of 4x - 2y < 2? Could you please help me to... (answered by nabla)

Please help me solve this logarithm: log5 (2x^2 - 3x + 1) - log5 (x - 1) + log5 125 = 6.... (answered by MathLover1)

s=n/2(a+L); for L please show me how to solve this step by step.. thank... (answered by checkley71,edjones)

The problem reads: Solve. x^2 - 4x = 3. Please show the step by step process to... (answered by jim_thompson5910)

Could you explain to me step by step how to solve the equation (7X^3+4X^2+3X+2) +... (answered by Alan3354)

Could you please show me step by step how to solve the following problem:... (answered by Boreal)

Can anyone show me step by step on how to solve... (answered by josgarithmetic)