If 10y = 7x - 4 and 12x + 18y = 1; find the values of 4x + 6y and 8y - x.

Question

KnowledgeBoat · Accepted Answer

Given, Equations : 10y = 7x - 4 and 12x + 18y = 1 ⇒ 10y = 7x - 4 ⇒ y = .........(1) Substituting value of y from equation (1) in 12x + 18y = 1, we get : Substituting value of x in equation (1), we get : Substituting value of x and y in 4x + 6y and 8y - x, we get : Hence, .

Mathematics

If 10y = 7x - 4 and 12x + 18y = 1; find the values of 4x + 6y and 8y - x.

Linear Equations

Related Questions

For solving each pair of equations, use the method of elimination by equating coefficients :
41x + 53y = 135
53x + 41y = 147

If 2x + y = 23 and 4x - y = 19; find the values of x - 3y and 5y - 2x.

Mathematics

If 10y = 7x - 4 and 12x + 18y = 1; find the values of 4x + 6y and 8y - x.

Linear Equations

Related Questions

For solving each pair of equations, use the method of elimination by equating coefficients :41x + 53y = 13553x + 41y = 147

If 2x + y = 23 and 4x - y = 19; find the values of x - 3y and 5y - 2x.

For solving each pair of equations, use the method of elimination by equating coefficients :
41x + 53y = 135
53x + 41y = 147