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-8x plus 7 equals -7x-2?
-8x+7 = -7x-2 -8x = -7x-2-7 -8x=-7x-9 -8x+7x=-9 -1x=-9 x=-9/-1 x=9
What is x is 7x 49?
If you mean: 7x = 49 then the value of x is 7
How do you solve 3x equals 7-4x?
3x = 7 - 4x 3x + 4x = 7 - 4x + 4x 7x = 7 7x/7 = 7/7 x = 1
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}
What is x for 13 - 3x equals 4x plus 1?
13 - 3X = 4X + 1add 3X to each side13 - 3X + 3X = 4X + 3X + 113 = 7X + 1subtract 1 from each side13 - 1 = 7X + 1 - 112 = 7Xdivide both sides integers by 712/7 = (7/7)X12/7 = X=========check in original equation13 - 3(12/7) = 4(12/7) + 113 - 36/7 = 48/7 + 113 and 1 need to be converted to fractions ( 13 * 7 = 91, so/ 91/7 = 13 ; 1 = 7/7 )91/7 - 36/7 = 48/7 + 7/755/7 = 55/7==============checks
