Solution of Equations
Equation
-1 = -4x + 3x - 1 -1 = -1x - 1 0 = -1x X = 0
One solution
-2(2x-4) = -7x - 10 -4x + 8 = -7x - 10 3x + 8 = 0 - 10 X = - 6
Infinitely many solutions
-2x - 7 + 3 + 8x = 6x - 4 6x - 4 = 6x - 4
No solution problems
-5x - 4 = -5x + 3 6x + 5 = 6x + 6 7x - 2 = 7x + 3
Equation
2(-5x - 4) = -98 -10x -8 = -98 -10x = -90 X = 9
Equation
2(-8 - 4x) = -16 -16 - 8x = -16 -8x = 0 X = 0
Perimeter
2x + 5 + 6x - 17 + 3x + 2x + x P = 12x - 10
7x + 9 = 5x + 3
2x + 9 = 3
Equation
2x - 5 = 7 2x = 12 X = 6
No solution
5x + 7 - 1 - 2x = 3x + 7 3x + 6 = 3x + 7
One solution
6x + 2 - 2x + 1 = 6x - 7 4x + 3 = 6x - 7 3 = 2x - 7 X = 7
Equation
5 + 4x = -7x - 72 5 + 11x = - 72 11x = -77 X = -7
Equation
5 - x = -4x + 14 5 + 3x = 14 3x = 9 X = 3
Perimeter
6x + 5 + 6x + 5 + 3x + 3x P = 18x + 10
Infinitely many solutions
-5(-4x+3) = 20x - 15 20x - 15 = 20x - 15
3x - 3 = -2x + 7
3(2) - 3 = -2(2) + 7 6 - 3 = -4 + 7 3 = 3
No solution
3(3x-4) = 9x+ 12 9x - 12 = 9x + 12 0 - 12 = 0 + 12
3x - 3 = -2x + 7
5x - 3 = 7 5x = 10 X = 2
Equation
-4(5x + 5) = -80 -20x - 20 = -80 -20 = -60 X = 3
Equation
-4x - 10 + 3x - 10 = -2 -1x - 10 = -2 -1x = 8 X = -8
-6x - 9 = -2x - 5
0 - 9 = -4x - 5 4 = 4x X = 1
Equation
1 + 7x = - 20 7x = - 21 X = -3
Equation
1 -4x -7x = -98 1 - 11x = -98 -11x = -99 X = 9
Equation
2(1 + 7x) = -166 2 + 14x = -166 14x = -168 X = -12
Equation
6 - 7x = 3x - 74 80 = 10x X = 8
Equation
6 = 2x + 5x + 6 6 = 7x + 6 0 = 7x X = 0
Infinitely many solutions
6x - 9 = 6x + - 9 -10x + 1 = -10x + 1 50x + 3 = 50x + 3
Equation
-5x + 1 = -89 + 5x 1 = -89 + 10x 90 = 10x X = 9
