Решите уравнение 4,7х-(3,4х+23)=7-(8-6,8х)

4.7x -3.4x -23 =7 -8 +6.8x 1.3x -6.8x = -1 +23 -5.5x =22 x = -22/5.5 x = -4

1. 4,7х-3,4х-23=7-(8 - 6,8х) 2. 1,3х-23=7-(8 - 6,8х) 3. 13х-23=7-8+6,8х 4. 1,3х-23=-1+6,8х 5. 1,3х-6,8х=-1+23 6. 1,3х-6,8х=22 7. -5,5=22 8. х=22÷ -55 9. х= - 4