-3x + (-18) = 2x + 7 +18 +18 -3x = 2x +25 -2x -2x -5x = 25 ----- ----- -5 -5 x=-5 *------- equals a division line
5x+18 = 2x+9 5x-2x = 9-18 3x = -9 x = -3 and y = 3
2x + 10 = 182x = 8x = 4
(-1, 5)
-2x+3+1=-7 -2x=-11 x=11/2
-3x + (-18) = 2x + 7 +18 +18 -3x = 2x +25 -2x -2x -5x = 25 ----- ----- -5 -5 x=-5 *------- equals a division line
How do you add 2x plus 3y equals 18 in 5x-y equals 11
5x+18 = 2x+9 5x-2x = 9-18 3x = -9 x = -3 and y = 3
2 + 2x = 18 2x = 18 - 2 2x = 16 x = 8
2x + 10 = 182x = 8x = 4
1
(-1, 5)
(-1, 5)
-2x+3+1=-7 -2x=-11 x=11/2
-3x+7=2x-18 ---> 7+18=2x-3x ----> 25=5x ----> x=5
x=4
2x+3 = -11 2x = -11-3 2x = -14 x = -7