Find the solution of the following linear equation and inequality in one variable. For inequality, graph the solution set.
1. 2× + 7= -5
2. × + 3× = -11 + 3
3. -2× < - 18
4. 4× + 7 < -2
5. 2(×+4) -3 > ×+5
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Find the solution of the following linear equation and inequality in one variable. For inequality, graph the solution set.
1. 2× + 7= -5
2. × + 3× = -11 + 3
3. -2× < - 18
4. 4× + 7 < -2
5. 2(×+4) -3 > ×+5
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Answer:
1. x= -6
2. x= -2
3. x>9
4. x < - 9/4
5.x>0
Step-by-step explanation:
1.
substract 7 from both sides of equation
2x + 7=-5
2x +7-7= -5 -7
2x= -12
divide both sides by 2
X=-6
2. x+ 3x = -11 + 3 combine the same term and add the #
(¼) 4x = -8 (¼)
x= -2