Answer:
a and b
Step-by-step explanation:
Solve for x: 7(3x - 2) = -4(6 - 5x)
Expand the brackets:
⇒ 21x - 14 = -24 + 20x (therefore it is equivalent to d)
Subtract 20x from both sides:
⇒ x - 14 = -24 (therefore it is equivalent to c)
Add 14 to both sides:
⇒ x = -10 (therefore, it is NOT equivalent to a)
Add 10 to both sides:
⇒ x + 10 = 0 (therefore, it is NOT equivalent to b)
