<span>-7 x (-9) = +63
because if we multiply negative by negative we obtain +</span>
Answer: Solve for the first variable in one of the equations, then substitute the result into the other equation.
Point Form:(-2,9)
Equation form: x=-2 y=9
Step-by-step explanation:
Point Form:(-2,9)
Equation form: x=-2 y=9
Answer:
x = 
Step-by-step explanation:
Given
2x + 5 = 12 ( subtract 5 from both sides )
2x = 7 ( divide both sides by 2 )
x =
[ or x = 3.5 ]
Answer:
120
Step-by-step explanation:
Replace c in the equation with 41: then we ahve 3(41) - 3, or 123 - 3, or just 120.
Answer: 42 I think
Step-by-step explanation:
I did 6 times 7