3 years ago

Solve for x and y

1 answer:

4 0

You can use elimination
7x - 3y = 4
-10x + 3y = 2
Add both equations
-3x = 6, x = -2
Plug in -2 for x in one equation
7(-2) - 3y = 4
-14 - 3y = 4
-3y = 18, y = -6
Solution: x = -2, y = -6

You might be interested in

Neal is highlighting multiples of 9 on his hundreds chart.what. 3 numbers will he highlight next.

Solnce55 [7]

The next 3 numbers to be highlighted would be 90, 99, and 108.
multiples of 9 is like take 1 times 9 and 2 times 9 and etc.
or you can just keep adding on 9 from the previous number like 81 + 9= 90

8 0

3 years ago

Solve the equation 18=-5(4x+3)+21x

AlexFokin [52]

$-5(4x+3)+21x=18\\\\(-5)(4x)+(-5)(3)+21x=18\\\\-20x-15+21x=18\ \ \ |+15\\\\x=33$

5 0

3 years ago

Harold plans to buy a $95 Father's Day present for his father, and the holiday

Greeley [361]

Answer:

December 1st

Step-by-step explanation:

Apex

3 0

3 years ago

Read 2 more answers

A common tub is 54 inches long. What could be its length in centimeters? (1 inch = 2.54 cm)

ddd [48]

Answer:

137.16 cm

Step-by-step explanation:

its jus multiplication so 54in x 2.54cm

5 0

3 years ago

A worker in an assembly line takes 7 hours to produce 28 parts. at that rate, how many parts can she produce in 35 hours?

olya-2409 [2.1K]

During 7 hours: 28 parts assembled
during 14 hours: 56 parts assembled
during 21 hours: 84 parts assembled
during 28 hours: 112 parts assembled
during 35 hours: 140 parts assembled

7 0

3 years ago