Can someone help me find the dimension frame
3.Mario is constructing a frame for a 10 in. by 8 in. photo. He wants the frame to be the same width all the way around and the total area of the frame and photo to be 120 square inches.

arrange the equations with like terms in columns.

analyze the coefficients of x or y.

add the equations and solve for the remaining variable.

substitute the value into either equation and solve.

check the solution.

step-by-step explanation:

14

step-by-step explanation:

c.

step-by-step explanation:

because first you have to add the 4x, 9x, and the 7x together and you get 20x and then you add the last numbers up and you get 5and then you put the subtraction sign in there and that's how you get the answer.