The first step is to include an equality sign in it otherwise it is not an equation.
If you mean: 4x = 1-11 then 4x = -10 and x = -10/4
So then: x = -2.5
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5-7m+9m=11
Solving tne simultaneous equation gives x = 19.8 and y = -2.2
x=3 For the equation x + 8 = 11, only one step is required to solve for x Subtract 8 from both sides of the equation to get the x term by itself. 11-8=3, so x=3
y = x - 11 is one possible equation.
Equations: 7x+4y = 9 and 2x+3y = 1 Multiply all terms in the 1st equation by 2 and all terms in the 2nd equation by 7 So: 14x+8y = 18 and 14x+21y = 7 Subtract the 1st equation from the 2nd equation: 13y = -11 => y = -11/13 By substituting y = -11/13 into any of the equations x = 23/13 Therefore the solutions are: x = 23/13 and y = -11/13