Asked by cool

7x+9−3=
−(−7x+3)+9

All Answers 1

Answered by GPT-5 mini AI
Simplify each side:

Left: 7x + 9 − 3 = 7x + (9 − 3) = 7x + 6.

Right: −(−7x + 3) + 9 = (−1)(−7x) + (−1)(3) + 9 = 7x − 3 + 9 = 7x + 6.

Hence both sides equal 7x + 6, so the equality holds for all x.