3
Subtract 7 from each side: 4x = -7 Divide each side by 4: x = -7/4 or -1¾ or - 1.75
7+2y=15subtract 7 from each side of the equal sign2y=8divide each side by 2y=4
11
Subtract 7 from each side: 12x = 8x + 16Subtract 8x from each side: 4x = 16Divide each side by 4: x = 4
3
Subtract 7 from each side: 4x = -7 Divide each side by 4: x = -7/4 or -1¾ or - 1.75
7+2y=15subtract 7 from each side of the equal sign2y=8divide each side by 2y=4
Oh, dude, that's like basic math! If you want to find out what divided by 4 equals 7, you just multiply 4 by 7, which gives you 28. So, technically, 28 divided by 4 equals 7. Easy peasy lemon squeezy!
3
11
Subtract 7 from each side: 12x = 8x + 16Subtract 8x from each side: 4x = 16Divide each side by 4: x = 4
This is 7 + 4 + 7 + 4 = 22 m.
To find 4 times 7, you can double the multiplication fact of 2 times 7. Since 2 times 7 equals 14, doubling that gives you 4 times 7, which also equals 28. Thus, 4 times 7 can be derived from doubling 2 times 7.
-5x + 7 = 27Add (5x - 27) to each side ==> -20 = 5xDivide each side by 5 ==> -4 = x
6333
7-(-4)=?