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1) 3+x=√25-16
2) 5x-3²=√36
3) 5+x÷2=30÷5
4) 6x+3x+7×3=73
5)10x+15+4×37+4x
6) 3×(x+2)-x=64
7) 1 x + 2 = 7
3 3 6
8) 3 x - 1 = 3
4 2 2
9) 1 × (x + 3 ) =3
2 4
10) 5+1 x = 17
3 3
1) 3+x=√25-16
2) 5x-3²=√36
3) 5+x÷2=30÷5
4) 6x+3x+7×3=73
5)10x+15+4×37+4x
6) 3×(x+2)-x=64
7) 1 x + 2 = 7
3 3 6
8) 3 x - 1 = 3
4 2 2
9) 1 × (x + 3 ) =3
2 4
10) 5+1 x = 17
3 3
1. 3 + x = √25 - 16
3 + x = 5 - 16
x = 5 - 16 - 3
x = - 14
2. 5x - 3² = √36
5x - 9 = 6
5x = 6 + 9
5x = 15
x = 15/5
x = 3
3. 5 + x ÷ 2 = 30 ÷ 5
5 + x/2 = 5
x/2 = 5 - 5
x/2 = 0
x = 0 • 2
x = 0
4. 6x + 3x + 7 • 3 = 73
9x + 21 = 73
9x = 73 - 21
9x = 52
x = 52/9
5. 10x + 15 + 4 • 37 + 4x
10x + 15 + 148 + 4x
14x + 163
6. 3x(x + 2) - x = 64
3x² + 6x - x = 64
3x² + 5x = 64
7. 1x + 2 = 7
x = 7 - 2
x = 5
8. 3x - 1 = 3
3x = 3 + 1
3x = 4
x = 4/3
9. 1 •(x + 3) = 3
x + 3 = 3
x = 3 - 3
x = 0
10. 5 + 1x = 17
x = 17 - 5
x = 12