Here is my question: -7 times x = 189

Solve this equation using substitution. {4x + y = −2} {4x + 6y = 44}

In the figure below, ∠dec ≅ ∠dce, ∠b ≅ ∠f, and segment df is congruent to segment bd. point c is the point of intersection between segment ag and segment bd, while point e is the point of intersection between segment ag and segment df. the figure shows a polygon comprised of three triangles, abc, dec, and gfe. prove δabc ≅ δgfe.

You give a $4 tip for a meal that cost $22. approximately what percent of the bill was your tip?