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Earn +20 ptsQ: What is the answer to 7x plus 3 equals 31?
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Continue Learning about Algebra
7x plus 16 equals 3x plus 4?
7x + 16 = 3x + 4 4x = -12 x = -3
How do you do 7x plus 3 equals 10?
7x+3=10 7x=7 {subtract 3 from each side} x=1 {divide each side by 7}
Solve 2x plus 3 equals 9 x equals?
2x+3=9x 3=9x-2x 3=7x x=3/7
8 x-1 equals 7x plus 2 Answer?
8x-1 = 7x+2 Add 1 to both sides: 8x = 7x+3 Subtract 7x from both sides: 1x = 3 ie x = 3
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
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