Answer:
35% off
Step-by-step explanation:
Answer:
y=-1
x=3
Step-by-step explanation:
7x+2y=19-----(1)
7x+8y=13------(2)
(1)-(2)
(7x+2y)-(7x+8y)=19-13
7x+2y-7x-8y=6
+2y-8y=6
-6y=6
y=-1
by substitute in (1)
7x+2*(-1)=19
7x-2=19
7x=19+2
7x=21
x=21/3
x=3
<span>Simplifying
5(6 + -4x) = 25
(6 * 5 + -4x * 5) = 25
(30 + -20x) = 25
Solving
30 + -20x = 25
Solving for variable 'x'.
Move all terms containing x to the left, all other terms to the right.
Add '-30' to each side of the equation.
30 + -30 + -20x = 25 + -30
Combine like terms: 30 + -30 = 0
0 + -20x = 25 + -30
-20x = 25 + -30
Combine like terms: 25 + -30 = -5
-20x = -5
Divide each side by '-20'.
x = 0.25</span>
Answer:
no lo se broo lo ciento
Step-by-step explanation:
