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7x equals 5 plus 5x?
7x = 5+5x 7x-5x = 5 2x = 5 x = 2.5
How do you solve 5X plus y equals -12 7X -3y equals -30 by elimination method?
(1) 5x+y=-12 (2) 7x-3y=-30 From (1) one gets y = -12-5x Put into (2) 7x-3y = 7x -3 (-12-5x) = 7x + 36 +15 x = 22x +36=-30 22x = -30-36 = -66 so x = -3 and y=-12-5x = -12-5x-3= 3 The solution is (-3,3)
What is 5x-8 plus 7x simplified to?
5x-8 + 7x 12x-8 12x = 8 x = 8/12 x= 2/3
What is 5x plus 5 plus 7x equals 47 plus 5x?
x=6
What is 5x - 3y -7x plus 2y plus 3x?
5x - 3y -7x + 2y +3x = (5-7+3)x + (-3+2)y = x - y
How do you solve 7x minus 1 equals 9 plus 5x?
7X-1=9+5X. add 1 to both sides 7X=10+5X. Subtract 5X and get 2X=10 divide by 2 and x=5
What is the answer for 12x minus 4 equal 7x minus 21?
12x - 4 = 7x - 21 12x -7x = -21 + 4 5x = -17 x = -3.4
What is 5x-7x?
5x-7x = -2
What is 5x squared minus 7x plus 2 equals 0?
If you mean 5x^2 -7x +2 = 0 then it is a quadratic equation with solutions of x = 2/5 or x = 1
What is 35x to the 2nd power minus 44x minus 7?
35x2-44x-7 = (7x+1)(5x-7) when factored
What is 7x squared minus 4x minus 5x squared plus 2x?
7x2 -4x -5x2 +2x = 2x2 -2x
What is 5x 4 7x if x6?
5x+4+7x
7x equals 5 plus 5x?
7x = 5+5x 7x-5x = 5 2x = 5 x = 2.5
What is -5x-(7x plus 2)?
-12x-2Given: -5x-(7x+2)This is the same as -5x-1(7x+2). Use the distributive property and multiply the -1 through (7x+2).-5x-7x-2Simplify.-12x-2
What is 5x-6 plus 23-7x in simplified form?
5x-6+23-7x 5x-7x+23-6 (rearranged) -2x+17 (simplification).
What is -5x 7x?
If you mean: 7x-2 = 5x+16 then the value of x works out as 9
5x plus 17 equals 7x-123?
5x + 17 = 7x - 123 123 + 17 = 7x - 5x 140 = 2x x = 140 ÷ 2 x = 70
