1) 2x + 9 = 13 - x;
2x + x = 13 - 9;
x(2 + 1) = 4;
3x = 4;
x = 1 1/3;
2) 14 - y = 19 - 11y;
11y - y = 19 - 14;
10y = 5;
y = 1/2.
1) 2x + 9 = 13 - x;
2x + x = 13 - 9;
x(2 + 1) = 4;
3x = 4;
x = 1 1/3;
2) 14 - y = 19 - 11y;
11y - y = 19 - 14;
10y = 5;
y = 1/2.