Mathematics-Algebra-25

By WScott | January 2, 2020

Xavier decided to work a problem out on the board. Between which lines, if any, did he make a mistake?

Line 1 $-4x+7=6x-3$

Line 2 $-10x + 7 = 3$

Line 3 $-10x = -4$

Line 4 $x =$ $\frac{4}{10}$

Line 5 $x =$ $\frac{2}{5}$