7a+4, when combining like terms simply add together the things that look alike
The solution is -5/4= -1 1/4
First simplify the expression: 3 x 6^2
3 x 36 = 108
Answer:
(4, 8) where =(x, y)
Step-by-step explanation:
x + 4(-x + 12) = 36
x -4x + 48 = 36
-3x = -12
x = 4
4 + 4y = 36
4y = 32
y = 8