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What is the answer to 4x plus y equals 9 and 7x-8y equals 6?
4x + y = 9 so that y = 9 - 4x 7x - 8y = 6 7x - 8*(9-4x) = 6 7x - 72 + 32x = 6 39x = 78 x = 2 Then y = 9 - 4x = 9-4*2 = 9-8 = 1
5x plus 7x-4x 6?
The answer to the math problem of 5x plus 7x-4x 6 is -12.
7x plus 6 minus 4x equals 5 plus 2x plus 7?
7x + 6 - 4x = 5 + 2x + 7 subtract 6 from both sides and combine the 5 and 7 on the right: 7x - 4x = 2x + 6 subtract 2x from both sides and combine the 7x and -4x on the left: x = 6
4x plus y equals 9 7x - 8y equals 6?
(2, 1)
7x equals 4 x - 6?
You solve it like this: 7x=4x-6 (subtract 4x from both sides) 3x=-6 (divide both sides by 3) x=-2
What is the answer to 4x plus y equals 9 and 7x-8y equals 6?
4x + y = 9 so that y = 9 - 4x 7x - 8y = 6 7x - 8*(9-4x) = 6 7x - 72 + 32x = 6 39x = 78 x = 2 Then y = 9 - 4x = 9-4*2 = 9-8 = 1
5x plus 7x-4x 6?
The answer to the math problem of 5x plus 7x-4x 6 is -12.
How do you solve 4x plus 9 equals 7x plus 3?
4x+9 = 7x+3 4x-7x = 3-9 -3x = -6 x = 2
7x plus 6 minus 4x equals 5 plus 2x plus 7?
7x + 6 - 4x = 5 + 2x + 7 subtract 6 from both sides and combine the 5 and 7 on the right: 7x - 4x = 2x + 6 subtract 2x from both sides and combine the 7x and -4x on the left: x = 6
7x plus 8 equals 4x-10?
Presumably this is an equation in which the value of x is to be found. 7x+8 = 4x-10 7x-4x = -10-8 3x = -18 x = -6
4x plus y equals 9 7x - 8y equals 6?
(2, 1)
7x equals 4 x - 6?
You solve it like this: 7x=4x-6 (subtract 4x from both sides) 3x=-6 (divide both sides by 3) x=-2
11x -21 equals 7x plus 3 What is x?
11x - 21 = 7x + 3 4x = 24x = 6
What is the answer to 6-4x equals 7x-9x-2?
6-4x = 7x-9x-2 6-4x = -2x-2 Add 4x to both sides: 6 = 2x-2 Add 2 to both sides: 8 = 2x Divide both sides by 2: 4 = x
What is 4x plus 6 equals -82 -7x in maths?
4x + 6 = -82 - 7X add 7X to each side 4X + 7X + 6 = -82 -7X + 7X 11X + 6 = -82 subtract 6 from each side 11X + 6 - 6 = -82 - 6 11X = -88 divide both sides by 11 X = -8 check in original equation 4(-8) + 6 = -82 - 7(-8) -32 + 6 = -82 + 56 -26 = -26 checks
What is 4x plus 6 minus7x plus 9 equals 18?
4x+6-7x+9=18-3x+15=18-3x=3x=-1
-3x plus 2 equals -7x-22?
-3x + 2 = -7x - 22 add 7x to both sides 4x + 2 = -22 subtract 2 from both sides 4x = -24 divide by 4 x = -6 ■
