Solving system of equations

1. x=3+y

x+4y=6

The final score in a math contest is made up of 50% test scores, 25% oral participation scores, and 25% project scores. Ella earned an average of 85 on her tests, 95 on oral participation, and 75 on projects.

Solve the equation. Show all work - 6/5x=-18

Solve for all real numbers. |2x+5|>9 Choices: A.) (negative infinity, - 4) or (4, infinity) B.) (negative infinity, - 7) or (2, infinity) C.) (-7,2) D.) (-4,4)

If 3t - 7 = 5t, then 6t =

How is the process of rewriting literal equations similar to the process of solving equations in one variable? How is it different?

Which is the formula for the volume of a sphere with diameter d? A. S = 4πd² B. S = πd² C. S = πd³ D. S = πd³

Identify the expression equivalent to 4 (x+x+y) - 2x+8+4 by substituting x=1 and x=2

Susan was a staple that boards 36 horses and 16 of them are spotted considering how many of the next 18 horses that come to board should be spotted

Simplify by dividing (-3/8) - 5/9

What is the solution to the equation? 5 (8 + 7) = 5 • x + 5 • 7 A. x = 1 B. x = 5 C. x = 7 D. x = 8