
Distribute 3 throught the parentheses

Move the variable to the left-hand side and change its sign

Move the constant to the right-hand side and change its sign

Collect like terms

Divide both sides of the equation by -3

12x²-8x-15 should be your answer
Answer:
58
Step-by-step explanation:
9*a=63-b=58
because a=7 and b=5
brainliest?
Answer:
add them togethr then subract the diffrece to get x
Step-by-step explanation: