2 years ago

6x-5y=17 solve the system

Mathematics

1 answer:

pantera1 [17]2 years ago

4 0

6x-5y=17
-6x -6x
__________
-5y= -6x+17
______________
-5

y=
$\frac{6}{5 } x + \frac{17}{ - 5}$

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Does 7x+3x-8 = 2(5x-4) have one solution, no solution, or infinitely many solutions?

USPshnik [31]

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5 0

2 years ago

Read 2 more answers

Question 2 please fas

Len [333]

Answer:

a = 3, b = 2

Step-by-step explanation:

It is given that both the polynomials are equal.

Therefore, h(x) = k(x)

${x}^{3} + (a + b) {x}^{2} - 4x + 2 \\ = {x}^{3} + 5 {x}^{2} - (2a - b)x + 2 \\ \\ equating \: like \: terms \: on \: both \: sides \\ (a + b) {x}^{2} = 5 {x}^{2} \\ \implies \: a + b = 5.....(1) \\ \\ - (2a - b)x = - 4x \\ 2a - b = 4....(2) \\ \\ adding \: equations \: (1) \: and \: (2) \\ \\ 3a = 9 \\ \implies \: a = \frac{9}{3} \\ \huge \red{ \boxed{\implies \: a = 3}} \\ \\ substituting \: a = 3 \: in \: equation \: (1) \\ 3 + b = 5 \\ \implies \: b = 5 - 3 \\ \huge \purple{ \boxed{ \implies b = 2}}$