How do you solve the problem 3X plus 5Y equals 7?

Anonymous

∙ 14y ago

Updated: 8/19/2019

To solve for two unknowns (x and y) you need two independent equations.

All that you can do with the above is to express x in terms of y, as follows:

3X + 5Y = 7 => 3X = 7 - 5Y or X = (7 - 5Y)/3

or you can express y in terms of x: Y = (7 - 3X)/5

Wiki User

∙ 14y ago

What else can I help you with?

What is the equation for x in the math problem 3x plus 4 equals 10?

3x+4=10 To solve: 3x+4=10 3x=6 x=2

Solve 5x-3 equals 3x plus 2?

Solve 3x plus 5 equals 26?

x=7

Solve 3x - 5x plus 11x equals -81?

How do you solve 16 plus 5x equals 3x?

x = -8

How do you solve x2 plus 3x plus 3 0?

x2 plus 3x plus 3 is equals to 0 can be solved by getting the roots.

How do you solve negative 3x plus 5 equals 20?

-3x + 5 = 20 -3x = 15 x = -5

How do you solve this equation 3x plus 2y equals 12 solve for y?

3x + 2y = 12 ie 2y = 12 - 3x so y = 6 - 3x/2

Can you Solve 3x plus 6 equals x - 10?

x = -8

Solve this equation -3x plus 14 equals -4?

x = 6

What is z in the problem 3x plus 4y plus z equals 27?

You do not have enough information to solve this problem. More accurately, you do not have enough information to assign a numeric value to z. However, abstractly, you could say that z=27-3x-4y.

How do you solve this problem 3x plus 6 30?

x=8