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-3x=-21+4x
-3x-4x=-21+4x-4x
-7x=-21
7x=21
7x/7=21/7
x=3
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∙ 14y ago
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What mistake was made in this equation 3x plus 7 equals -4x plus 28 -x plus 7 equals 28 -x equals 21 x equals -21?
3x + 7 = -4x + 28 implies 7x + 7 = 28
What is 4x plus 7 plus 3x equals 19 plus x?
4x plus 7 plus 3x equals 19 plus xx = 2
-3x plus 4x equals 7x?
No, that's not correct.-3x + 4x = x
4x plus 6 equals 21 plus 3x?
x = 15 as 4*15+6 = 66 3*15+21 = 66 or an easier way to do it 4x - 3x = 1x 21 - 6 = 15 1x = 15
What does 4x plus 5 equals 3x plus 8 equal?
4x + 5 = 3x + 84x-3x + 5 - 5 = 3x - 3x + 8 -5x = 3
What mistake was made in this equation 3x plus 7 equals -4x plus 28 -x plus 7 equals 28 -x equals 21 x equals -21?
3x + 7 = -4x + 28 implies 7x + 7 = 28
What is the answer to 3x plus 7 equals 4x?
3x+7=4x 7=4x-3x 7=x
What is 4x plus 7 plus 3x equals 19 plus x?
4x plus 7 plus 3x equals 19 plus xx = 2
-3x plus 4x equals 7x?
No, that's not correct.-3x + 4x = x
4x plus 6 equals 21 plus 3x?
x = 15 as 4*15+6 = 66 3*15+21 = 66 or an easier way to do it 4x - 3x = 1x 21 - 6 = 15 1x = 15
What is 3x plus 5 equals 4x plus 1?
If: 3x+5 = 4x+1 Then: x = 4
What is the solution to this equation 4x plus 10 plus 3x equals 40 minus 3x?
4x + 10 + 3x = 40 - 3x 4x + 10 + 3x + 3x = 40 20x = 40 x = 2
What does 4x plus 5 equals 3x plus 8 equal?
4x + 5 = 3x + 84x-3x + 5 - 5 = 3x - 3x + 8 -5x = 3
What is 3x plus 5 equals 4x-10?
3x+5= 4x-10+10 +103x+15= 4x-3x -3x15=X
How do you solve 4x plus 7-3x equals 15?
4x+7-3x = 15 4x-3x = 15-7 x = 8
3x plus 4x equals 84 7x equals 84?
3x + 4x = 847x = 84divide both sides by 7x = 12
What does x equal in 3x plus 7 equals 4x-12?
19 (7 + 12 = 4x - 3x)
