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Best Answer
3x + 4x = 84
7x = 84
divide both sides by 7
x = 12
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What is 3x - 2x - 4x plus 7x?
4x
3x-7 plus 4x equals 28?
3x - 7 + 4x = 28 7x - 7 = 28 I added 4x and 3x to get 7x 7x = 35 I subtracted 7 from both sides x = 5 I divided by 7 on both sides
Solve by substitution method y equals -4x - 7 y equals 3x?
y= -4x-7 y=3x 3x= -4x-7 3x+4x=7 7x=7 x=1
What is 7x-4x?
11
What is -4x-3x?
-1
Related questions
-3x plus 4x equals 7x?
No, that's not correct.-3x + 4x = x
-3x equals -21 plus 4x?
-3x=-21+4x-3x-4x=-21+4x-4x-7x=-217x=217x/7=21/7x=3
7x plus 16 equals 3x plus 4?
7x + 16 = 3x + 4 4x = -12 x = -3
How do you solve 7x plus 12 equals 3x?
7x = 3x - 12 4x=-12 x=-3
How do you solve 4x plus 9 equals 7x plus 3?
4x+9 = 7x+3 4x-7x = 3-9 -3x = -6 x = 2
8 plus 7x equals 20 plus 3x what is x?
8+7x = 20+3x 7x-3x = 20-8 4x = 12 x = 3
What is the answer to 7x-2 equals 4x plus 9?
7x - 2 = 4x + 9 3x - 2 = 9 3x = 11 x = 11/3
What is 4x plus 6 minus7x plus 9 equals 18?
4x+6-7x+9=18-3x+15=18-3x=3x=-1
What is the answer to 7x-9 equals 3x plus 5?
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7x-3 equals 3x plus 8?
7x-3=3x+8 7x-3x=8+3 4x=11 x=11/4=2.75
How do you slove 3x plus 1 plus 4x-5 equals 31?
combine like terms. 3x+1+4x-5=31 3x+4x=7x 7x+1-5=31 1-5=-4 7x-4=31 then solve it 7x=35 x=5
What is 3x plus (-2 plus 4x)?
3x + (-2 + 4x) = -2 + 7x
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