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givi [52]
3 years ago
14

Solve for x: |4x + 12| = 16

Mathematics
2 answers:
irina1246 [14]3 years ago
7 0
Solve Absolute value
4x + 12 = 16 or <span>4x + 12 = -1<span>6
</span></span>===============================================
1.) 4x+12=<span>16
Subtract 12 from both sides
</span><span><span>4x+12-1</span>2</span>=<span>16-12
</span>4x = 4
Divide by 4
4x ÷ 4 = 4 ÷ 4
x = 1
=================================================================
2.) 4x+12=-<span>16
</span>Subtract 12 from both sides
<span><span>4x+12-</span>12</span>=-<span>16-12
</span><span>4x</span>=-<span><span>28
</span></span>Divide each side by 4
4x ÷ 4 = -28 ÷ 4
x = -7
================================================================
X = 1 and x = -7 is your answer
JulijaS [17]3 years ago
6 0
4x+12=16
4x=4
x=1

or

-(4x+12)=16
-4x-12=16
-4x=28
x=-7

answer Choice C is correct
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