4x-7=24x=9
x=9/4
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You cant solve it unless it is an equation. To be an equation it must have an equals sign.
2x+4-x = 4x-5 2x-x-4x = -5-4 -3x = -9 x = 3
You cannot solve one linear equation with two variables.
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)
Here are the steps: -- Write the equation. -- Subtract 7 from each side of the equation. -- Subtract 4x from each side. -- Divide each side by 5.