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Earn +20 ptsQ: 7x plus 16 equals 3x plus 4?
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Continue Learning about Algebra
What is 7x - 4020 plus 3x?
7x-4020+3x= 7x+-4020+3x= 7x+3x+-4020= 10x+-4020= 10x-4020
What is 3x-3 equals 7x 21?
If: 3x-3 = 7x+21 Then: x = -6
How do you solve 7x plus 4 equals 3x plus 7?
(7x + 4) = (3x + 7) Subtract (3x + 4) from both sides of the equation. (7x + 4) - 3x - 4 = (3x + 7) - 3x - 4 4x = 3 x = 3/4 Check: (7x + 4) = 7 (3/4) + 4 = (21/4) + 4 = (21/4) + (16/4) = 37/4 (3x + 7) = 3 (3/4) + 7 = (9/4) + 7 = (9/4) + (28/4) = 37/4 Yay.
X2 plus 7x equals -2x2 plus 6?
x2+7x=-2x2+6 3x2+7x-6=0 (3x-2)(x+3)=0 3x-2=0 or x+3=0 x=2/3 or x=-3
What is 4x plus 3x equals 35?
If: 4x+3x = 35Then: 7x = 35So: x = 35/7 => x = 5
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