Rozwiąż równania : - jedna druga x = - 7
-3x = 8
4x +1 = 3
- x - 2 = 3
3x+2=4x-1
- 1
------ x =-7 /* - 2 x=14
2
-3x=8/-3 x= -2,66
4x+1=3 4x=3-1 4x=2/:4 x=0,5
-x-2=3 -x=3+2 -x=5/*-1 x=-5
3x+2=4x-1 2+1=4x-3x 3=x
a)
¹/₂x=₋7₋3x
¹/₂x₊3x=₋7
3¹/₂x=₋7 /(3¹/₂)
x=2
b)₋3x=8 / ( ₋3)
x=₋⁸/₃
x=₋2²/₃
c)4x⁺1=3
4x=3₋1
4x=2 /(4)
x=²/₄
x=¹/₂
d)⁻x⁻2=3
₋x=3₊2
₋x=5 /(⁻₁)
x=₋5
e)3x₊2=4x₋1
3x₋4x=₋2₋1
₋x=₋3 / (₋1)
x=3
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- 1
------ x =-7 /* - 2 x=14
2
-3x=8/-3 x= -2,66
4x+1=3 4x=3-1 4x=2/:4 x=0,5
-x-2=3 -x=3+2 -x=5/*-1 x=-5
3x+2=4x-1 2+1=4x-3x 3=x
a)
¹/₂x=₋7₋3x
¹/₂x₊3x=₋7
3¹/₂x=₋7 /(3¹/₂)
x=2
b)₋3x=8 / ( ₋3)
x=₋⁸/₃
x=₋2²/₃
c)4x⁺1=3
4x=3₋1
4x=2 /(4)
x=²/₄
x=¹/₂
d)⁻x⁻2=3
₋x=3₊2
₋x=5 /(⁻₁)
x=₋5
e)3x₊2=4x₋1
3x₋4x=₋2₋1
₋x=₋3 / (₋1)
x=3