Answer:
x=1
Step-by-step explanation:
3(x)+1 substitute 1 in for x
3(1)+1=4
10(x)-6 substitute 1 in for x
10(1)-6=4
4=4
(sorry if that doesn't make any sense)
3x+1=10x-6
3x+7=10x
7=7x
1=x
(9 × 3x+7) - (5 × x+2)
Red area
9 × 3x + 7
white area
5 × x+2
