Answer:
x = -8
Step-by-step explanation:
first, both x formulas are equal to 9 (as shown, create a formula for this):
x+10+2x+23=9 (collect like terms)
3x+33=9 (minus 33 from both sides)
3x=-24 (divide by -3)
x = -8
sub into the formula:
-8+10+(2×-8)+23=9
9=9
