This question can only be answered with additional information, such as the value of x.Given x = 3, 2x * 4 = 2(3) * 4 = 6 * 4 = 24Given x = 5, 2x * 4 = 2(5) * 4 = 10 * 4 = 40------------------------------------------------------------------------------------------------------------------Contrary to the answer above; 2x * 4 = 8x
8x - 22 = 2x + 28x - 2x - 22 = 2x - 2x + 26x - 22 = 26x - 22 + 22 = 2+ 226x = 24x = 24/6 = 4
8x-4 = -7+5x 8x-5x = -7+4 3x = -3 x = -1
2x - 4 = -10 2x = -10 +4 2x = -6 x = -3
(2x + 4)(2x - 4) to check your answer, use the FOIL method (first, outside, inside, last) F.... 2x x 2x = 4x^2 0.... 2x x -4 = -8x I..... 2x x 4 = 8x L.... 4 x -4 = -16 so 4x^2 - 16 = (2x + 4)(2x - 4)
It equals 8x+12
8x+4 = 2x+28 8x-2x = 28-4 6x = 24 x = 4
4x - 3 = 2x + 54x - 2x = 5 + 32x = 8x = 8/2x = 4To check:4(4) - 3 = 132(4) + 5 = 13
This question can only be answered with additional information, such as the value of x.Given x = 3, 2x * 4 = 2(3) * 4 = 6 * 4 = 24Given x = 5, 2x * 4 = 2(5) * 4 = 10 * 4 = 40------------------------------------------------------------------------------------------------------------------Contrary to the answer above; 2x * 4 = 8x
x= -1
2x + 10 = 182x = 8x = 4
4(2x-3)+7=8x8x-12+7=8x-8x..........-8x-12+7=0+12.....+127=12-7...-7No Solution:0≠54(2x-3+7)=8x8x-12+28=8x-8x............8x-12+28=0+12.......+1228=12-28...-28No Solution: 0≠-16
(2x - 10) + 7 = 52x - 3 = 52x = 8x = 4
52 = 2x + (6x +4) 52 = 2x + 6x + 4 (can skip this step) 52 = 8x + 4 52 - 4 = 8x 48 = 8x 48/8 = x (can skip this step) 6 = x
1/4 = 3 - 2x - 1/ x + 24 ( 3 - 2x - 1 ) = 1 ( x + 2 )12 - 8x - 4 = x + 28 - 8x = x + 2-8x - x = 2 - 8-9x = -6x = -6/-9X = 2/3
8x - 4x + 7 = 94x + 7 = 94x = 9-74x = 2x = 4/2x = 1/2x = 0.5
-6x-32 = 2x -6x-2x = 32 -8x = 32 x = -4