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4X - 2X - 2 = - 42
preform the indicated variable subtraction ( 4X - 2X )
2X - 2 = - 42
add 2 to each side
2X = - 40
divide both sides integers by 2
X = - 20
-------------check in original equation
4(- 20) - 2(- 20) - 2 = - 42
- 80 + 40 - 2 = - 42
- 42 = - 42
---------------checks
What else can I help you with?
How do you solve y equals 4x-8 and y equals 2x plus 10?
y=4x-8y=2x+10Substitute (4x-8) for y in the second equation and solve for x:4x-8=2x+102x=18x=9Now solve for y:y=4(9)-8=28(9,28)
How do you solve 146 plus 2x plus 2x plus 26 equals 172?
2x + 2x + 146 + 26 = 172 4x + 172 = 172 4x = 0 x = 0
How do you solve 2x plus y equals 0 and 4x plus 2y equals 0?
many solutions
How do you solve the following equation for x 2x plus 4-x equals 4x-5?
2x+4-x = 4x-5 2x-x-4x = -5-4 -3x = -9 x = 3
How do you solve 4x-1 equals 6x-15?
4x-1 = 6x-15 4x-6x = 1-15 -2x = -14 x = 7
How do you solve y equals 4x-8 and y equals 2x plus 10?
y=4x-8y=2x+10Substitute (4x-8) for y in the second equation and solve for x:4x-8=2x+102x=18x=9Now solve for y:y=4(9)-8=28(9,28)
How can you solve -2x equals -4x plus 24 step by step?
-2x = -4x + 24 -2x + 4x = 24 2x = 24 x = 24/2 x = 12
How do you solve 2y equals 4x plus 4?
2y = 4x + 4y = 2x + 2
How do you solve this equation -1-2x-4x equals -19?
-1-2x-4x=19-6x-1 = -19x = 3
How do you solve 146 plus 2x plus 2x plus 26 equals 172?
2x + 2x + 146 + 26 = 172 4x + 172 = 172 4x = 0 x = 0
4X-5 plus 2X equals 37?
4x - 5 + 2x = 376x - 5 = 376x = 37 + 56x = 42x = 42 / 6x = 7
How do you solve 2x plus y equals 0 and 4x plus 2y equals 0?
many solutions
How do you solve the following equation for x 2x plus 4-x equals 4x-5?
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How do you solve 6x plus 6 equals 2x-4?
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How do you solve 4x plus 3 equals -3 plus 2x plus 14?
4x + 3 = -3 + 2x + 14 2x + 3 = -3 +14 2x + 3 = 11 2x = 8 x=4
How do you solve 4x-1 equals 6x-15?
4x-1 = 6x-15 4x-6x = 1-15 -2x = -14 x = 7
How do you solve 2x-5 equals 4x-1?
you want to put all of the 'x' on one side and all of the numbers on the other side 2x-5=4x-1 2x-5 (-2x +1) = 4x -1 (-2x + 1) -4 = 2x then divide by 2 x=-2
