Question

Find xif S is between R and T, RS=2x+3, ST=4x, and RT=63

Answer 1

x = 10

Explanation:

If S is between R and T, then RS + ST will be equal to RT.

See image.

Use this idea to write an equation.

2x + 3 + 4x = 63

Combine like terms, Subtract 3, Divide by 6, to solve for x. See image.