87 = 3y
Divide each side of the equation by 3:
29 = y
Chat with our AI personalities
For y - 2y - 3y equals 0, y equals 0.
x+3y=2 x= -5 y = 1
2x + 3y = 9x = 3, y = 1 therefore 6 + 3 = 9
If: y-2+3y =10 Then: y+3y = 10+2 And: 4y = 12 Divide both sides by 4 to find the value of y: y = 3
x + y = -2 2x + 3y = -9 You solve this by elimination - multiply both sides of first equation by 3, then subtract, solve for x, then substitute in any of the equations to solve for y 3x + 3y = -6 2x + 3y = -9 subtracting, x = 3 substituting into 1st equation, y = -2-3 = -5