Answer:
The algebraic expression is "y - 7".
Step-by-step explanation:
"7 less" means "- 7", so you're subtracting 7 from y. You then write it as "y - 7".
y-7
Hope it helps.
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Using the rule of exponents
= , then
= =
40+8X=50+23X
8X-23X=50-140
-15X=-90
X=-90/-15
X=7 TRIPS IS THE ANSWER.
PROOF:
140+8*6=50+23*6
140+48=50+138
188=188