Directions: Solve these equations.
A. 4x + 1 = 2x + 7
B. 3x + 5 = x +15
C. 6x + 7 = 5x +13
D. 10x - 6 = 7x + 9
E. 5x - 1 = 2x + 11
A. 4x + 1 = 2x + 7
B. 3x + 5 = x +15
C. 6x + 7 = 5x +13
D. 10x - 6 = 7x + 9
E. 5x - 1 = 2x + 11
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Answer:
A. x = 3
B.x = 5
C.x = 6
D.x = 5
E. x = 4
Step-by-step explanation:
A. 4x + 1 = 2x + 7
4x - 2x + 1 = 7
4x - 2x = 7 - 1
2x = 7 - 1
2x =6
x = 3
B. 3x + 5 = x + 15
3x - x +15 = 15
3x- x = 15 -15
2x = 15 - 15
2x = 10
x = 5
C. 6x + 7 = 5x + 3
6x - 5x + 7 = 3
6x - 5x = 13 -
x = 1 - 7
x = 6
D. 10x - 6 = 7x + 9
10x - 7x - 6 = 9
10x- 7x = 9 + 6
3x = 9 + 6
3x = 15
x = 5
E. 5x - 1 = 2x + 11
5x - 2x - 1 = 11
5x - 2x = 11 + 1
3x = 11 + 1
3x = 12
x = 4