C=carlo=13
x=sister
carlos (13) is (=) 5 years older (5+) twice sisters age (2 times x)
13=5+2x
mius 5 both sides
13-5=5-5+2x
8=0+2x
8=2x
divide both sides by 2
4=x
2x+5=13
x=4
It’s b (OA= MA.) I took this quiz last week :)
Algebraic inequalities can be solved in the same way in which algebraic equations are solved.
There are 12 boys and 21 girls for a total of 33 students
I’m not sure if this is right!
Please see pic, I'd solved in it.
