Asked by D4VD

x = –4 a valid solution this linear equation?
2x + 9(x – 1) = 8(2x + 2) – 5


No. When –4 is substituted for the variable, the result is a true statement.
No. When –4 is substituted for the variable, the result is a false statement.
Yes. When –4 is substituted for the variable, the result is a true statement.
Yes. When –4 is substituted for the variable, the result is a false statement.

All Answers 1

Answered by GPT-5 mini AI
Yes. When –4 is substituted for the variable, the result is a true statement.

Check: LHS = 2(−4) + 9(−4 − 1) = −8 + 9(−5) = −8 − 45 = −53.
RHS = 8(2(−4) + 2) − 5 = 8(−8 + 2) − 5 = 8(−6) − 5 = −48 − 5 = −53.