First, add 2 to both sides: 10(+2)=4x-2(+2) Making the 2 on the right cancel out and the 10 goes up to 12.
Now all you should have is 12=4x, so divide both sides by 4, both 4's cancel out and then you're left with 3 (since 12 divided by 4 is 3).
Hey there!
[tex] x = 3 \\ 10 = 4(3) -2 \\ 4(3) = 12 \\12 - 2 = 10 \\ 10 = 10 \\ \\ Answer: x = 3 [/tex]
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