Question

x+(x+30)+(x+70)=400​

Answer 1

Answer:

$x + (x + 30) + (x + 70) = 400 \\ = > 3x + 100 = 400 \\ = > 3x = 300 \\ = > x = 100$

Step-by-step explanation:

please mark as BRAINLIST

Answer 2

HERE IS UR ANSWER DEAR,

x+x+30+x+70=400

3x + 100= 400

3x=400 -100

3x= 300

x= 300 /3

x=100

$<marquee behaviour-move><font</p><p></p><p>color="green black"><h1># MISS PHENOMENOL❤❤❤</ ht></marquee>$

$<marquee behaviour-move><font</p><p></p><p>color="green yellow"><h1>#YUVI </ ht></marquee>$