Find the area of this irregular polygon.

Solve for x -2.3(r - 1.2 ) = -9.66 enter you answer as decimal.

Two times a number plus three times another number equals 4. three times the first number plus four times the other number is 7. find the numbers

The value of x in this system of equations is 1. 3x + y = 9 y = –4x + 10 substitute the value of y in the first equation: combine like terms: apply the subtraction property of equality: apply the division property of equality: 3x + (–4x + 10) = 9 –x + 10 = 9 –x = –1 x = 1 what is the value of y?